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Electric Circuits

Electric Circuits
The rms value of sine wave is 100 A. Its peak value is

 150 A.
 282.8 A.
 141.4 A.
 70.7 A.

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Electric Circuits
Unit step function is first derivative of

 parabolic function.
 gate function.
 ramp function.
 impulse function.

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Electric Circuits
In a series resonant circuit impedance is

 zero.
 none of these.
 minimum.
 maximum.

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Electric Circuits
Electro-chemical equivalent is usually expressed in

  mg per kW.
  mg per coulomb.
  mg per volt.
  mg per kVA.

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Electric Circuits
In the circuit shown in the figure the voltage across the 2 Ω resistor is

 4 V.
 1 V.
 2 V.
 3 V.

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Electric Circuits
The synchronous speed for the seventh space harmonic mmf wave of 8 pole, 50 Hz induction machine will be

 5250 rpm in forward direction.
 107.14 rpm in forward direction.
 5250 rpm in reverse direction.
 107.14 rpm in reverse direction.

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