Interview Question in AC Voltage and Current
Interview Question :: Helpppp
: What is a common way to create direct current electricity?
Atomic energy
Use a battery
Lightning
2: What happens when a light burns out in a series circuit?
The other lights remain lit
The voltage increases dramatically
The circuit is broken
3: What is the frequency of AC in the United States?
60 Hertz
50 Hertz
60 cycles per minute
4: Suppose you have a wire connected to a piece of iron making an electromagnet. If you cut the voltage in half but double the number of turns of wire, what happens to the strength of the electromagnet?
It switches direction
It is 2 1/2 times stronger than it was before
It stays approximately the same
5: If you wanted to place three lights in a circuit, with each being an equal brightness, what kind of circuit would you use?
series
parallel
electromagnetic
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