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# Alternating Current And Voltage Online Exam Quiz

Important questions about Alternating Current And Voltage. Alternating Current And Voltage MCQ questions with answers. Alternating Current And Voltage exam questions and answers for students and interviews.

Options

A : 0 V

B : 1.27 V

C : 7.64 V

D : 6.37 V

### 2. If the peak of a sine wave is 13 V, the peak-to-peak value is

Options

A : 6.5 V

B : 13 V

C : 26 V

D : none of the above

### 3. Sine wave A has a positive-going zero crossing at 45°. Sine wave B has a positive-going zero crossing at 60°. Which of the following statements is true?

Options

A : Wave A leads wave B by 15°.

B : Wave A lags wave B by 15°.

C : Wave A leads wave B by 105°.

D : Wave A lags wave B by 105°.

### 4. A phasor represents

Options

A : the magnitude and a quantity direction

B : the width of a quantity

C : the phase angle

D : the magnitude of a quantity

Options

A : 25%

B : 50%

C : 1%

D : 100%

Options

A : 45.12 mA

B : 16 mA

C : 39.6 mA

D : 22.6 mA

Options

A : 25.48 V

B : 6.37 V

C : 14.14 V

D : 50.96 V

Options

A : 200 rps

B : 400 rps

C : 800 rps

D : 1,600 rps

Options

A : 20 µs

B : 4 µs

C : 2 µs

D : 100 µs

Options

A : 6 V

B : 30 V

C : 35 V

D : 0 V

### 1. One sine wave has a positive-going zero crossing at 15° and another sine wave has a positive-going zero crossing at 55°. The phase angle between the two waveforms is

Options

A : 0°

B : 45°

C : 40°

D : none of the above

Options

A : 5 kHz

B : 50 kHz

C : 500 kHz

D : 33.33 kHz

### 3. The conductive loop on the rotor of a simple two-pole, single-phase generator rotates at a rate of 400 rps. The frequency of the induced output voltage is

Options

A : 40 Hz

B : 100 Hz

C : 400 Hz

D : indeterminable

Options

A : 25 kHz

B : 12 kHz

C : 18 kHz

D : 1.3 MHz

Options

A : 0.0045 s

B : 2 ms

C : 1.5 ms

D : 3,000 µs

Options

A : 16.54 V

B : 1.65 V

C : 10.60 V

D : 5.93 V

Options

A : 5.44 V

B : 54.4 V

C : 7.07 V

D : 8 V

Options

A : 6°

B : 60°

C : 180°

D : 27°

Options

A : 4 V

B : 4.6 V

C : 1.6 V

D : 11 V

Options

A : 10 Hz

B : 50 Hz

C : 100 Hz

D : 1,000 Hz