Electrical Theory And Generators

15 Questions | By Sizzleld | Last updated: Mar 22, 2022 | Total Attempts: 72

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This quiz is an ultimate test to see how much you know about this volume. Good luck!

Questions and Answers

1.

What is the simplest form of matter?
- A.
  
  Element
- B.
  
  Mixture
- C.
  
  Compound
- D.
  
  Electrons
2.

A _____ is a combination of two or more substances without using a chemical reaction.
- A.
  
  Element
- B.
  
  Mixture
- C.
  
  Compound
- D.
  
  Electrons
3.

A _____ is two or more elements combined in definite portions by chemical means to form another substance.
- A.
  
  Mixture
- B.
  
  Compound
- C.
  
  Electrons
- D.
  
  Element
4.

In an atom, what electrons contain the most energy?
- A.
  
  The energy is shared equally by all electrons
- B.
  
  Orbiting electrons
- C.
  
  Valence electrons
- D.
  
  K shell electrons
5.

Atoms having more than four electrons, but less than eight are known as
- A.
  
  Insulators.
- B.
  
  Conductors.
- C.
  
  Stable atoms.
- D.
  
  Semiconductors.
6.

Atoms having only four electrons are known as
- A.
  
  Insulators.
- B.
  
  Conductors.
- C.
  
  Stable atoms.
- D.
  
  Semiconductors.
7.

Atoms having only eight electrons are known as
- A.
  
  Insulators.
- B.
  
  Conductors.
- C.
  
  Stable atoms.
- D.
  
  Semiconductors.
8.

The electrostatic field around a positive ion moves
- A.
  
  Inward.
- B.
  
  Outward.
- C.
  
  Inward, then outward.
- D.
  
  Outward, then inward.
9.

The electrostatic field around a negative ion moves
- A.
  
  Inward.
- B.
  
  Outward.
- C.
  
  Inward, then outward.
- D.
  
  Outward, then inward.
10.

What are the factors that affect the resistance of a material?
- A.
  
  Area, weight, and state of material.
- B.
  
  Area, temperature, and type of material.
- C.
  
  Temperature, weight, and state of material.
- D.
  
  Temperature, type of material, and state of material.
11.

What is the resistance in a circuit if the power rating is 40 watts and total current is 2 amps?
- A.
  
  40 ohms
- B.
  
  20 ohms
- C.
  
  10 ohms
- D.
  
  0.5 ohms
12.

Convert 500 milliamps to standard amperage.
- A.
  
  .005 amps
- B.
  
  .05 amps
- C.
  
  .5 amps
- D.
  
  50 amps
13.

In a series-parallel circuit, find RT if series resistor R1=7 ohms, and parallel resistor R2 and R3=8 ohms.
- A.
  
  23 ohms
- B.
  
  15 ohms
- C.
  
  11 ohms
- D.
  
  8 ohms
14.

What is the difference between an open and a short?
- A.
  
  An open causesresistance to decrease; a short causes resistance to increase.
- B.
  
  Excessive current flow in an open circuit; no current flow in a shorted component.
- C.
  
  No current flow in an open circuit; excessive current flow in a shorted component.
- D.
  
  Minimum voltage development across the open component; maximum voltage development across the shorted component.
15.

Voltage induced into a conductor by the expanding and collapsing of a magnetic field is...
- A.
  
  Magnetism.
- B.
  
  Reluctance.
- C.
  
  Direct current.
- D.
  
  Electromagnetic induction.