Exercise: Alternating Current Vs Direct Current

Questions for: Alternating Current Vs Direct Current

Power companies supply ac, not dc, because:
A:
it is easier to transmit ac
B:
there is no longer a need for dc
C:
dc is more dangerous
D:
there are not enough batteries
Answer: A
No answer description is available. Let's discuss.
📖
📝
💬
👁️
What does the CRT oscilloscope display?
A:
voltage and period
B:
current and frequency
C:
rms voltage and current
D:
frequency and voltage
Answer: A
No answer description is available. Let's discuss.
📖
📝
💬
👁️
The current is flowing in what direction?

mcq6_1005_1.gif
A:
clockwise
B:
counterclockwise
C:
in both directions at the same time
D:
50% of the time clockwise and 50% of the time counterclockwise
Answer: D
No answer description is available. Let's discuss.
📖
📝
💬
👁️
A test equipment item that has the ability to produce either square, triangular, or sawtooth waveforms is called:
A:
a function generator
B:
a radio frequency generator
C:
an audio frequency generator
D:
a frequency meter or counter
Answer: A
No answer description is available. Let's discuss.
📖
📝
💬
👁️
What is the average value of a 12 V peak wave?
A:
3.82 V
B:
4.24 V
C:
7.64 V
D:
9.42 V
Answer: C
No answer description is available. Let's discuss.
📖
📝
💬
👁️
Ad Slot (Above Pagination)
Quiz