Electronics - Alternating Current and Voltage

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Exercise : Alternating Current and Voltage - General Questions
1.

What type of waveform is shown in the given circuit?

Sine wave
Square wave
Triangle wave
Sawtooth wave
Answer: Option
Explanation:
No answer description is available. Let's discuss.

2.
In both induction and synchronous ac motors
the operating speed is very steady
the stator magnetic field is stationary
the stator magnetic field rotates
the "squirrel cage" forms the rotor
Answer: Option
Explanation:
No answer description is available. Let's discuss.

3.

What is the peak-to-peak voltage of the waveform in the given circuit?

2 V
4 V
6 V
8 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.

4.
Most practical alternators generate electricity from
a coil rotating within a magnetic field
a magnetic field rotating around fixed windings
a permanent magnet rotating within a varying electromagnetic field
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

5.
A half-cycle average voltage of 12 V is equal to what rms voltage?
13.33 V
8.48 V
18.84 V
7.64 V
Answer: Option
Explanation:
No answer description is available. Let's discuss.