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Electric Circuits

Electric Circuits
Consider the following circuit. What is the value of i ?

 6 A.
  5 A.
 12 A.
 - 5 A.

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Electric Circuits
The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is

 1 mA.
 0.5 mA.
  0.25 mA.
 0.35 mA.

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

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

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Electric Circuits
The equation for 25 cycles current sine wave having rms value of 30 amps, will be

 30sin25πt.
 42.4sin25πt.
 42.4sin50πt.
 30sin50πt.

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Electric Circuits
If a function is shifted by 'T', then it is correctly represented as

 f (t-T) u (t).
 f (t) u (t).
 f (t) u (t-T).
 f (t-T) u (t-T).

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Electric Circuits
An ac voltage source v = vo sinωt is connected across a parallel plate capacitor C. If the conductor current is ic and the displacement current is id, then which is true among following relation

 ic + id = 0.
 ic = id.
 ic > id.
 ic < id.

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