Electronics - Alternating Current and Voltage

Why Electronics Alternating Current and Voltage?

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How to solve Electronics Alternating Current and Voltage problems?

You can easily solve all kind of Electronics questions based on Alternating Current and Voltage by practicing the objective type exercises given below, also get shortcut methods to solve Electronics Alternating Current and Voltage problems.

Exercise :: Alternating Current and Voltage - General Questions

1. 

What type of waveform is shown in the given circuit?

A. Sine wave
B. Square wave
C. Triangle wave
D. Sawtooth wave

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

2. 

In both induction and synchronous ac motors

A. the operating speed is very steady
B. the stator magnetic field is stationary
C. the stator magnetic field rotates
D. the "squirrel cage" forms the rotor

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

3. 

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

A. 2 V
B. 4 V
C. 6 V
D. 8 V

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

4. 

Most practical alternators generate electricity from

A. a coil rotating within a magnetic field
B. a magnetic field rotating around fixed windings
C. a permanent magnet rotating within a varying electromagnetic field
D. none of the above

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

5. 

A half-cycle average voltage of 12 V is equal to what rms voltage?

A. 13.33 V
B. 8.48 V
C. 18.84 V
D. 7.64 V

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.