• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Alternating Current and Voltage

Alternating Current and Voltage
A phasor represents

the magnitude and a quantity direction
the phase angle
the magnitude of a quantity
the width of a quantity

ANSWER DOWNLOAD EXAMIANS APP

Alternating Current and Voltage
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?

Wave A lags wave B by 15°.
Wave A lags wave B by 105°.
Wave A leads wave B by 15°.
Wave A leads wave B by 105°.

ANSWER DOWNLOAD EXAMIANS APP

Alternating Current and Voltage
A sine wave with an rms value of 12 V is riding on a dc level of 18 V. The maximum value of the resulting waveform is

0 V
6 V
35 V
30 V

ANSWER DOWNLOAD EXAMIANS APP

Alternating Current and Voltage
Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is

16.54 V
5.93 V
1.65 V
10.60 V

ANSWER DOWNLOAD EXAMIANS APP

Alternating Current and Voltage
The average value of a 12 V peak sine wave over one complete cycle is

1.27 V
0 V
7.64 V
6.37 V

ANSWER DOWNLOAD EXAMIANS APP

Alternating Current and Voltage
A pulse waveform has a high time of 8 ms and a pulse width of 32 ms. The duty cycle is

1%
100%
50%
25%

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Alternating Current and Voltage

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑