Electric Circuits
The value of E within the field due to a point charge can be found with help of

 Lenzs law.
 Coulombs law.
 Kirchhoffs law.
 Faradays law.

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Electric Circuits
What is referred as the average value in AC opearation?

 Average of all values of the phase sequences.
  Average of all values of an alternating quantity over a complete cycle.
 Average of all values of the (+)ve and (-)ve half.
 Average of all values of an alternating quantity.

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Electric Circuits
A certain network consists of large number of ideal linear resistances, one of which is designated as R and two constant ideal source. The power consumed by R is P1 when only the first source is active and P2 when only second source is active. In both sources are active simultaneously then the power consumed by R is

 P1 ± P2 .
 √P1 ± √P2.
 (√P1 ± √P2)2.
 (P1 ± P2 )2.

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