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Electric Circuits

Electric Circuits
The value of unity impulse function at time (t) = 0 is

 1.
 infinite.
 indeterminate.
 0.

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Electric Circuits
During charging, the electrolyte of a lead acid battery becomes

 there is no change in electrolyte.
 diluted with water.
 weaker.
 stronger.

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Electric Circuits
For same voltage, the ratio resistance of 100 W lamp to resistance of 25 W lamp is

 1.
 1/4.
 4.
 16.

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Electric Circuits
If the measured value of a capacitor is 205.3µF and true value is 201.4µF the percentage relative error is

 39.00%
 1.94%
 25.64%
 1.89%

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Electric Circuits
Under resonance condition the phase angle between voltage phase and current phase is

 - 90°
 0°
 45°
 90°

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Electric Circuits
Condition of symmetry in Z-parameter representation is

 Z11 = Z12.
 Z12 = Z22.
 Z12 = Z21.
 Z11 = Z22.

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