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Electric Circuits

Electric Circuits
200 resistors of 200 Ω each are connected in parallel. Their equivalent resistance will be

 1 Ω.
 4 kΩ.
 200 Ω.
 400 Ω.

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Electric Circuits
A 3 – φ delta connected symmetrical load consumes P Watts of power from a balanced supply. If the same load is connected in star to the same supply then what is the power consumption?

 √3P.
 3P.
 P/3.
 P.

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Electric Circuits
Which material has extremely large resistance?

 Semiconductor
None of these
 Insulator
 Conductor

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Electric Circuits
In a lead acid cell PbSO4 formed during

  both during charging as well as discharging.
  neither during charging nor discharging.
  charging only.
  discharging only.

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Electric Circuits
Reactive power drawn by a pure resistor is

 minimum
 maximum
None of these
 0

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Electric Circuits
A circuit contains two unequal resistor in parallel

 voltage drops are according to their resistive value.
 voltage drops across both are same.
 heat losses in both are same.
 currents in both are same.

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