This symbol is the symbol for which of these electrical circuit components?

A. inductor

B. elevator

C. conductor

D. resistor

What is the reading on the kilowatt-hour meter shown below?

A. 5703

B. 5692

C. 5693

D. 5793

Radar can operate at frequencies as high as __________.

A. 100,000 Hz

B. 100,000 kHz

C. 100,000 MHz

D. 500,000 MHz

To produce greater storage of electrons and more capacitance, capacitors should __________.

A. be connected in parallel

B. be connected in series

C. have more voltage applied to them

D. be eliminated

The symbol above is a/an __________.

A. lamp

B. fuse

C. inductor

D. bell

What special type of diode is commonly used to regulate voltage?

A. capacitor

B. transistor

C. Zener diode

D. LED

If a 120-volt current is protected by a 25-amp circuit breaker, what's the largest number of watts an appliance can safely use?

A. 1,200 watts

B. 1,800 watts

C. 3,000 watts

D. 3,600 watts

Another name for a transistor is __________.

A. integrated circuit

B. semiconductor

C. transfer resistor

D. rathbone connector

Parallel resonance occurs in a circuit when __________.

A. Z = XL

B. Z=XC

C. X=2xFc

D. XL=XC

A crossover network is used to __________.

A. direct the proper frequency range to the right speaker

B. eliminate noise

C. filter out high frequencies

D. filter out low frequencies