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Electric Circuits

Electric Circuits
In the circuit shown in the figure, the value of Vs is 0, when I = 4 A. The value of I, when Vs = 16 V, is

 10 A.
 8 A.
 12 A.
 6 A.

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Electric Circuits
What will be the rms value of rectangular wave with amplitude 10 V?

 7.7 V.
 11.2 V.
 10 V.
 5√2 V.

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

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

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Electric Circuits
Ampere second is the unit of

 energy.
 power.
 charge.
 conductance.

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Electric Circuits
A particular current is made up of two component : a 10 A and a sine wave of peak value 14.14 A. The average value of current is

 24.14 A.
 14.14 A.
 10 A.
 zero.

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Electric Circuits
A 3 wire, 3 - φ supply feeds a load consisting of three equal resistors. By how much is the load reduced if one of the resistors be removed when the load is in star?

 33.33 % of the original load.
 66.66 % of the original load.
 25 % of the original load.
 50 % of the original load.

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