Practice Test

1) The Opposition to the flow of current in a circuit is called:

1) Resistance

2) Inductance

3) Emission

4) Capacitance

2) How much voltage does a standard automobile battery usually supply?

1) About 240 Volts

2) About120 Volts

3) About 12 Volts

4) About 9 Volts

3) How much Voltage does a standard automobile battery usually contain?

1) About 220 Volts

2) About 10 Volts

3) About 12 Volts

4) About 10 Volts

4) What is RFI in terms of radio frequency?

1) Random Frequent Irritation

2) Rolling Fast Incidends

3) Radio Frequency Interference

4) Random Flat Inductance

5) The purpose of a Radio Transceiver is to:

1) Watch pay TV for free

2) Send and Receive information by using radio waves

3) To reduce airtime bills

4) To advertise your skills.

6) The ability of a radio receiver to separate signals that are close to each other in frequency is its:

1) Bandwidth

2) Sensitivity

3) Noise figure

4) Selectivity

7) What is a Multimeter?

1) An instrument capable of reading voltage, current and resistance.

2) An instrument capable of reading SWR and power.

3) An instrument capable of reading resistance, capacitance and inductance.

4) An instrument capable of reading reactance and inductance.

8) The Watt is the measurement unit of :

1) power

2) electromagnetic field strength

3) magnetic flux

4) breakdown voltage

9) The formula for electrical current is:

1) Voltage/Resistance

2) Resistance x Voltage

3) Voltage + Resistance

4) Resistance/Voltage

10) The purpose of using three wires in the power cord from the mains power plug into your amateur radio equipment is to:

1) make it inconvenient to use

2) Prevent the radio chassis from becoming live in the case of an internal short to that chassis

3) Prevent the plug from being reversed in the wall socket

4) Prevent short circuits

"Electronic Basics" Practice Test

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