The T5 section of the Technician test contains information on electrical principles, math for electronics, electronic principles, Ohm’s Law.

The

T5A section covers electrical principles; current and voltage, conductors and insulators, alternating and direct current.

Click "Expand" to reveal the questions.

Electrical current is measured in which of the following units?
Amperes

Electrical power is measured in which of the following units?
Watts

What is the name for the flow of electrons in an electric circuit?
Current

What is the name for a current that flows only in one direction?
Direct current

What is the electrical term for the electromotive force (EMF) that causes electron flow?
Voltage

How much voltage does a mobile transceiver usually require?
About 12 volts

Which of the following is a good electrical conductor?
Copper

Which of the following is a good electrical insulator?
Glass

What is the name for a current that reverses direction on a regular basis?
Alternating current

Which term describes the rate at which electrical energy is used?
Power

What is the basic unit of electromotive force?
The volt

The

T5B section covers math for electronics; decibels, electrical units and the metric system.

Click "Expand" to reveal the questions.

How many milliamperes is 1.5 amperes?
1,500 milliamperes

What is another way to specify a radio signal frequency of 1,500,000 hertz ?
1500 kHz

How many volts are equal to one kilovolt?
One thousand volts

How many volts are equal to one microvolt?
One one-millionth of a volt

Which of the following is equivalent to 500 milliwatts ?
0.5 watts

If an ammeter calibrated in amperes is used to measure a 3000-milliampere current , what reading would it show?
3 amperes

If a frequency readout calibrated in megahertz shows a reading of 3.525 MHz, what would it show if it were calibrated in kilohertz?
3525 kHz

How many microfarads are 1,000,000 picofarads?
1 microfarad

What is the approximate amount of change, measured in decibels (dB), of a power increase from 5 watts to 10 watts?
3 dB

What is the approximate amount of change, measured in decibels (dB), of a power decrease from 12 watts to 3 watts?
6 dB

What is the approximate amount of change, measured in decibels (dB), of a power increase from 20 watts to 200 watts?
10 dB

The

T5C section covers electronic principles; capacitance, inductance, current flow in circuits, alternating current, definition of RF, power calculations.

The

T5D section covers Ohm's Law.