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Electric Circuits

Electric Circuits
Which law(s) find application in electrolysis?

 Faradays law.
 Gausss law.
 Ohms law.
 Coulombs law.

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Electric Circuits
If Vout = 1 V for 1 kHz input then what would be Vout for 10 kHz for same input ?

 0.1 V .
 None of these.
  1 V.
 0.01 V.

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Electric Circuits
The maximum value of a current wave is 2A. If the form factor of a current wave is 1.5 and the peak factor is 2.7, find the average value in Amperes.

 1.57 A.
 0.741 A.
 1.414 A.
 0.494 A.

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Electric Circuits
A balanced three Phase Y-connected load has one phase voltage VB = 277∠45o V. The phase sequence is RYB. The line to line voltage VRY is

 480∠ - 45o V.
 480∠45o V.
 339∠- 45o V.
 339∠45o V.

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Electric Circuits
For symmetrical wave form average value of one full cycle is

 0
 2.22
 1.11
 1

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Electric Circuits
Three identical resistor are connected in star across a 3 phase 550 V supply dissipating a total power of 300 W the line current is ____________ A.

 0.5
 3.149
 1
 2.56

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