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Electric Circuits

Electric Circuits
Four capacitors each of 40 µF are connected in parallel, the equivalent capacitance of the system will be

 160 µF
 40 µF
 5 µF
 10 µF

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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 below, what is the voltage across 5 Ω resistor?

 None of them
 -27.4 V.
 34.4 V.
 -28.4 V.

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Electric Circuits
Which of following capacitor will have least value of breakdown voltage?

 Paper.
 Ceramic.
 Mica.
 Electrolytic.

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Electric Circuits
A balanced 3 - φ star connected load is fed from a 208 V, 3 - φ supply. Each load has resistance of 35 Ω. The total power is

 none of these.
 618 W.
 411.3 W.
 1236 W.

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Electric Circuits
Current locus is obtained by which of the following?

 Varying source frequency
None of these
 Varying any one of the circuit element
 Either of these

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