Electromotive force is another word for ___________.
A. ohms
B. volts
C. amps
D. current
A capacitor is used to perform which of these in an electrical circuit?
A. reduce current
B. store an electrical charge
C. increase voltage
D. prevent shock
Carbon has 6 protons and 6 neutrons in its nucleus.
How many electrons does it have?
A. 0
B. 24
C. 6
D. 12
What is the reading on the kilowatt-hour meter shown below?
A. 9282
B. 2828
C. 8282
D. 9292
What is the reading on the kilowatt-hour meter shown below?
A. 5703
B. 5692
C. 5693
D. 5793
How many diodes should you expect to find in a bridge rectifier?
A. 0
B. 4
C. 8
D. 10
What does RMS stand for?
A. Root Mean Square
B. Resistance Measurement System
C. Real Metric Standards
D. Realistic Matrix Stems
To cause a current of 10 amperes to flow through 20-ohm resistance, the voltage needed is __________.
A. 20 volts
B. 1 volt
C. 10 volts
D. 200 volts
Transistors contain at least three terminals called the __________.
A. base, emitter, and collector
B. base, positive terminal, and negative terminal
C. emitter, amplifier, and collector
D. base and two gates
A resistor marked 2.5K ohms has the value of __________.
A. 2.5 ohms
B. 250 watts
C. 2,500 ohms
D. 25,000 ohms