Electric Circuits
If emf in a given circuit is given by e = 100 sinω0t, then maximum value of voltage and frequency will be

 50√2 V, 100 Hz.
 100 V, 50 Hz.
 100√2 V, 100 Hz.
 100 V, 100 Hz.

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Electric Circuits
Pure metal generally have

  low conductivity and high temperature coefficient.
  high conductivity and large temperature coefficient.
  low conductivity and zero temperature coefficient.
  high conductivity and low temperature coefficient.

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