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Electric Circuits

Electric Circuits
In the circuit given below the value of resistance Req is

 11.18 Ω.
 10 Ω.
 25 Ω.
 11.86 Ω.

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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

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

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Electric Circuits
Cells are connected in parallel in order to increase

 life of the cells.
 voltage rating.
 current capacity.
 efficiency.

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Electric Circuits
Kirchhoff’s current law is used for

 nodal analysis.
 loop analysis.
 representing a current source.
 finding equivalent resistance.

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Electric Circuits
Absolute permittivity of dielectric medium is represented as

 εr/ε0
 εr
 εrε0
 ε0

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Electric Circuits
What is the value of charge of an electron?

 1.6022 × 10-27 Coulomb
 1.6022 × 10-7 Coulomb
 1.6022 × 10-19 Coulomb
 1.6022 × 10-8 Coulomb

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