Electric Circuits
A series RLC circuit is connected across a 240V, 50 Hz supply. When the voltage across capacitor is 250V, a maximum current of 0.5A flows in the circuit. Find the resistance.

 1000 Ohms.
 100 Ohms.
 480 Ohms.
 500 Ohms.

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Electric Circuits
Pure metal generally have

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

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