Element III - Fundamentals Of Electronics And Electricity
- 1.The instrument used to measure current is
- A.
Voltmeter
- B.
Ohmmeter
- C.
Ammeter
- D.
Power Meter
- 2.The instrument used to measure voltage is
- A.
Voltmeter
- B.
Ohmmeter
- C.
Ammeter
- D.
Power meter
- 3.The instrument used to measure resistance is
- A.
Voltmeter
- B.
Ohmmeter
- C.
Ammeter
- D.
Voltmeter
- 4.The output power of a transmitter is measured by unit called?
- A.
Volts
- B.
Ampere
- C.
Watts
- D.
Ohms
- 5.Rubber is an example of
- A.
Stretchable
- B.
Insulator
- C.
Conductor
- D.
Spacer
- 6.Copper is an example of
- A.
Insulator
- B.
Antenna
- C.
Conductor
- D.
Antenna element
- 7.Silicon is an example of
- A.
Liquid
- B.
Semi-conductor
- C.
Resistor
- D.
Capacitor
- 8.The quantity of 144.474 MHZ refers to
- A.
PARA
- B.
Frequency
- C.
Spectrum
- D.
Synthesizer
- 9.The frequency 145.00 MHZ has an approximate wavelength of
- A.
2 centimeters
- B.
2 meters
- C.
3 meters
- D.
1 meter
- 10.The frequency band 144 MHZ to 46 MHZ is within the
- A.
UHF Band
- B.
HF Band
- C.
VHF Band
- D.
SHF Band
- 11.The terminal voltage of an ordinary flashlight battery is
- A.
1.2 volts
- B.
1.5 volts
- C.
3.4 volts
- D.
5 volts
- 12.One thousand watts is sometimes written as
- A.
1 kilowatt
- B.
1 kilovolt
- C.
1 kiloamp
- D.
1 kiloohm
- 13.Sound waves are also called
- A.
Radio frequency waves
- B.
Audio frequency waves
- C.
Spectrum frequency waves
- D.
Data frequency waves
- 14.An open circuit has a resistance of
- A.
Static
- B.
Intermittent
- C.
Zero
- D.
Infinity
- 15.A short circuit has a resistance of
- A.
Static
- B.
Intermittent
- C.
Zero
- D.
Infinity
- 16.When current passes through a path of lesser resistance thereby destroying the fuse in a circuit, we say that the circuit is
- A.
Overload Circuited
- B.
Open Circuited
- C.
Short Circuited
- D.
Intermittent Circuited
- 17.What is the unit of resistance?
- A.
Watts
- B.
Ohm
- C.
Ampere
- D.
Volts
- 18.What is the unit of inductance?
- A.
Impedance
- B.
Joules
- C.
Henry
- D.
Gamma
- 19.One cycle of a wave is measured in
- A.
Gigahertz
- B.
Megahertz
- C.
Kilohertz
- D.
Hertz
- 20.What is the unit of capacitance?
- A.
OHMS
- B.
JOULES
- C.
FARAD
- D.
DECIBELS
- 21.The prefix PICO means
- A.
10 -6
- B.
10 -9
- C.
10 -12
- D.
10 -15
- 22.The prefix MEGA means
- A.
10 6
- B.
10 9
- C.
10 12
- D.
10 15
- 23.The opposition of a conductor to the flow of current is
- A.
Conduction
- B.
Resistance
- C.
Impedance
- D.
Decibels
- 24.The circuit element that opposes any change in current is
- A.
Inductor
- B.
Conductor
- C.
Reductor
- D.
Mho
- 25.The circuit element that opposes any change in voltage is
- A.
Decibels
- B.
Inductor
- C.
Resistor
- D.
Capacitor
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