A Physics Practice Guide For Beginner's

55 Questions | Attempts: 1146
Share
SettingsSettings
Please wait...
  • 1/55 Questions

    (206) The principle behind all electromechanical generation that many aerospace equipment devices have as their basis is

    • Conduction.
    • Commutation.
    • Rectification.
    • Electromagnetic induction.
Please wait...
About This Quiz

Want to brush up on your science basics? Do you think you can pass this quiz? What do you understand by magnetic theory? What is a dielectric? How electricity travels? Check out our online quiz to see how much you know and enhance your knowledge. Go for it!

A Physics Practice Guide For Beginners - Quiz

Quiz Preview

  • 2. 

    (222) A good solder cup connection shows the

    • Insulation.

    • Solder flux.

    • Wire number.

    • Wire contour.

    Correct Answer
    A. Wire contour.
  • 3. 

    (202) This is used to control current flow in a circuit.

    • Voltage.

    • Coulombs.

    • Resistance.

    • Conductivity.

    Correct Answer
    A. Resistance.
  • 4. 

    (202) The relationship of voltage, current, and resistance is expressed through

    • E, I, and C formula.

    • Power formulas.

    • Conductance.

    • Ohm’s Law.

    Correct Answer
    A. Ohm’s Law.
  • 5. 

    (204) What is the total resistance of a parallel circuit with branch voltages of 440 volt (v) and 440v and branch currents of 4 amp (a) and 16a?

    • 11 ohms.

    • 22 ohms.

    • 44 ohms.

    • 68.75 ohms.

    Correct Answer
    A. 22 ohms.
  • 6. 

    (205) The area around a magnet where its influence can be felt, is defined as the

    • Magnetic theory.

    • Saturation principle.

    • Magnetic field.

    • Law of attraction and repulsion.

    Correct Answer
    A. Magnetic field.
  • 7. 

    (206) The electromechanical generation of a voltage requires a magnetic field, relative motion, and

    • A complete circuit.

    • A conductor.

    • An insulator.

    • A load.

    Correct Answer
    A. A conductor.
  • 8. 

    (209) Basically, a relay is an electrically operated

    • Meter.

    • Motor.

    • Switch.

    • Safety device.

    Correct Answer
    A. Switch.
  • 9. 

    (217) When conducting current checks, you should connect the multimeter in the circuit in

    • Reverse order.

    • Series-parallel.

    • Parallel.

    • Series.

    Correct Answer
    A. Series.
  • 10. 

    (217) When performing a continuity check on a wire using the diode test mode, a good wire will register

    • As OL.

    • As zero.

    • As infinity.

    • A beep.

    Correct Answer
    A. A beep.
  • 11. 

    (201) The term "dielectric" is used to describe

    • Conductors.

    • Insulators.

    • Doped atoms.

    • Semi-conductors.

    Correct Answer
    A. Insulators.
  • 12. 

    (202) This defines the flow or drift of electrons through a conductor in the same direction at the same time.

    • Conductivity.

    • Voltage.

    • Current.

    • Valence.

    Correct Answer
    A. Current.
  • 13. 

    (203) Total current in a series circuit

    • Remains the same throughout the circuit.

    • Is the sum of the current through each component.

    • Is the reciprocal of the current through one component.

    • Is the reciprocal of the sum of the currents through each component.

    Correct Answer
    A. Remains the same throughout the circuit.
  • 14. 

    (207) When direct current is applied to an inductor reaches maximum, and is steady, the magnetic field around the inductor will.

    • Collapse.

    • Stop expanding.

    • Start to decrease slowly.

    • Continue to expand slowly.

    Correct Answer
    A. Stop expanding.
  • 15. 

    (208) A step-up transformer has this many turns of a wire in the secondary windings over the primary windings.

    • Equal.

    • Less.

    • More.

    • None.

    Correct Answer
    A. More.
  • 16. 

    (210) A capacitor stores energy in the form of

    • Heat.

    • Resistance.

    • A magnetic field.

    • An electrostatic field.

    Correct Answer
    A. An electrostatic field.
  • 17. 

    (210) In a capacitor, the dielectric is also known as the

    • Outer case.

    • Positive lead.

    • Insulator.

    • Conductor.

    Correct Answer
    A. Insulator.
  • 18. 

    (212) This happens to the Zener diode in the forward-bias direction.

    • Is destroyed.

    • Acts as a normal diode.

    • Conducts at zener value.

    • Exceeds the peak inverse voltage rating.

    Correct Answer
    A. Acts as a normal diode.
  • 19. 

    (212) A Zener being used as a regulator must have a resistor placed in the circuit in

    • Series.

    • Parallel.

    • Everse-bias.

    • Series-parallel.

    Correct Answer
    A. Series.
  • 20. 

    (213) A light-emitting diode (LED) produces light when it is

    • Gated.

    • Neutral.

    • Forward-biased.

    • Reverse-biased.

    Correct Answer
    A. Forward-biased.
  • 21. 

    (214) How many PN junctions does the silicon-controlled rectifier (SCR) have?

    • One.

    • Two.

    • Three.

    • Four.

    Correct Answer
    A. Three.
  • 22. 

    (221) A pitted or worn soldering iron tip should be redressed with a flat, fine, single-cut file, and then be

    • Tinned.

    • Cleaned of solder.

    • Replaced.

    • Checked for length.

    Correct Answer
    A. Tinned.
  • 23. 

    (223) This is the best method of repairing a lifted or peeled conducting strip on a printed circuit board (PCB).

    • Bond it.

    • Glue it.

    • Replace it with bare wire.

    • Replace it with insulated wire.

    Correct Answer
    A. Replace it with insulated wire.
  • 24. 

    (206) The function of the commutator in a direct current (DC) generator is to

    • Complete the circuit to the load.

    • Induce DC into the external circuit.

    • Rectify the input.

    • Change alternating current (AC) voltage to DC voltage.

    Correct Answer
    A. Change alternating current (AC) voltage to DC voltage.
  • 25. 

    (201) Up to how many valence electrons are needed to make a good conductor?

    • 3.

    • 4.

    • 5.

    • 6.

    Correct Answer
    A. 3.
  • 26. 

    (210) The factors that determine the time required to charge a capacitor are the capacitance size and the

    • Circuit current.

    • Applied voltage.

    • Type of dielectric.

    • Amount of resistance.

    Correct Answer
    A. Amount of resistance.
  • 27. 

    (214) A silicon controlled rectifier (SCR) is mainly used as a/an

    • Fuse.

    • Spike protector.

    • Circuit breaker.

    • Electronic switch.

    Correct Answer
    A. Electronic switch.
  • 28. 

    (215) During which troubleshooting step do you begin to use the schematic diagram as an invaluable tool?

    • Recognition.

    • Verification.

    • Analysis.

    • Isolation.

    Correct Answer
    A. Analysis.
  • 29. 

    (220) One way you are able to identify electrostatic sensitive devices is by

    • The MIL-SPC–235 symbol or a warning marking.

    • The special coloring package as specified in local directives.

    • The MIL-STD–129 symbol or a caution marking.

    • A special control number as specified in local directives.

    Correct Answer
    A. The MIL-STD–129 symbol or a caution marking.
  • 30. 

    (221) A heat sink is used in soldering to

    • Prevent heat from damaging the component being soldered.

    • Prevent heat from damaging other components in the circuit.

    • Apply heat to the component being soldered.

    • Apply heat to other components in the circuit.

    Correct Answer
    A. Prevent heat from damaging other components in the circuit.
  • 31. 

    (222) You insert a wire into a solder cup until this happens.

    • Wire reaches the bottom of the cup.

    • Wire protrudes from the weep hole.

    • Wire clears the top of the cup.

    • Insulation touches the cup.

    Correct Answer
    A. Wire reaches the bottom of the cup.
  • 32. 

    (203) What is the voltage drop in a series circuit with a power rating of 9.68 watts, resistances of .55 kilo ohms, 4 k ohms, and 450 ohms, and current flow through the resistors of 44 milliamp (ma), 44 ma, and 44 ma?

    • 20 volt (v).

    • 220v.

    • 425v.

    • 441v.

    Correct Answer
    A. 220v.
  • 33. 

    (204) In a parallel circuit, the total voltage is equal to the

    • Sum of the voltages across each branch.

    • Voltage across each resistor.

    • Voltage across each branch.

    • The reciprocal of the voltage across the resistances.

    Correct Answer
    A. Voltage across each branch.
  • 34. 

    (211) A diode has a fairly simple construction and the diode’s anode is constructed of this type of material.

    • Neutral (N).

    • Biased (B).

    • Positive (P).

    • Negative.

    Correct Answer
    A. Positive (P).
  • 35. 

    (211) A diode placed in a circuit in reverse bias is being used as

    • A spike protector.

    • An amplifier.

    • A regulator.

    • A rectifier.

    Correct Answer
    A. A spike protector.
  • 36. 

    (212) A Zener diode will conduct in reverse-bias

    • For a second or two at a time.

    • Until the gate potential has been reached.

    • Once the avalanche point has been reached.

    • Until an operational breakdown point has been reached.

    Correct Answer
    A. Once the avalanche point has been reached.
  • 37. 

    (214) In order for a silicon-controlled rectifier (SCR) to be turned off, the

    • Forward breakover voltage must exceed the holding voltage.

    • Current must drop below the holding current.

    • Negative amp switch must activate.

    • Negative volt switch must activate.

    Correct Answer
    A. Current must drop below the holding current.
  • 38. 

    (215) Which troubleshooting step involves knowing proper equipment operation?

    • Analysis.

    • Recognition.

    • Repair and check.

    • Elimination and isolation.

    Correct Answer
    A. Recognition.
  • 39. 

    (216) Which troubleshooting aid is designed to assist you in finding the actual unit location of electrical components?

    • Zones.

    • Schematic.

    • Wiring diagram.

    • Reference designation index.

    Correct Answer
    A. Wiring diagram.
  • 40. 

    (216) This troubleshooting aid is designed to assist you in finding components on a diagram.

    • Zone.

    • Schematic.

    • Wiring diagram.

    • Reference designation index.

    Correct Answer
    A. Zone.
  • 41. 

    (219) This could be the indication from the 8025A multimeter when you are checking a serviceable capacitor.

    • A beep.

    • An extended analog bar graph.

    • An OL display.

    • A 0 ohms display.

    Correct Answer
    A. An extended analog bar graph.
  • 42. 

    (201) Every atom must contain these types of particles.

    • Electrons and protons.

    • Electrons and neutrons.

    • Protons and neutrons.

    • Electrons, protons, and neutrons.

    Correct Answer
    A. Electrons and protons.
  • 43. 

    (206) In a simple generator, which would be the most difficult method used to increase the output?

    • Increase the area of the conductor.

    • Increase the amount of motion.

    • Increase the strength of the magnetic field.

    • Increase the relative resistance.

    Correct Answer
    A. Increase the amount of motion.
  • 44. 

    In which form does an inductor store energy as an electromagnetic device?

    • Heat.

    • Resistance.

    • Magnetic field.

    • Electrostatic field.

    Correct Answer
    A. Magnetic field.
  • 45. 

    (207) The process by which a current, or voltage, change in one coil produces a varying current in another coil is called

    • Inductance.

    • Self-induction.

    • Mutual induction.

    • Inductive reactance.

    Correct Answer
    A. Mutual induction.
  • 46. 

    (209) Once energized, a relay requires a second coil to be energized before the contacts will return to their original positions. This is called a

    • Locking relay.

    • Latching relay.

    • Timing relay.

    • Tripping relay.

    Correct Answer
    A. Latching relay.
  • 47. 

    (218) Use this to set a value to the oscilloscope’s vertical grid markings.

    • Focus.

    • Pitch control.

    • Voltage selector.

    • Time sweep selector.

    Correct Answer
    A. Voltage selector.
  • 48. 

    (219) How many junctions are checked to test the serviceability of a transistor?

    • 1.

    • 2.

    • 3.

    • 4.

    Correct Answer
    A. 3.
  • 49. 

    (210) What is the opposition of a capacitor to alternating current (AC) called?

    • Inductive reactance.

    • Impedance.

    • Capacitive reactance.

    • Capacitance.

    Correct Answer
    A. Capacitive reactance.

Quiz Review Timeline (Updated): Mar 19, 2022 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 19, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • May 31, 2017
    Quiz Created by
    Ronnie
Back to Top Back to top
Advertisement
×

Wait!
Here's an interesting quiz for you.

We have other quizzes matching your interest.