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Electric Circuits

Electric Circuits
The thevnin equivalent of the circuit shown in the figure is

 1.5V, 5/6 Ohm
 0.75V, 5/6 Ohm
 1.5V, 1.5 Ohm
 0.75 V, 1.5 Ohm

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Electric Circuits
Absolute permittivity of dielectric medium is represented as

 εrε0
 ε0
 εr
 εr/ε0

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Electric Circuits
A 2m long conductor, carries a current of 50 A at a magnetic field of 100 × 10 − 3 T. The force on the conductor is

 10 N.
 1000 N.
 100 N.
 10000 N.

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Electric Circuits
A voltage source having an open circuit voltage of 100 V and internal resistance of 50 Ω is equivalent to a current source

 2 A with 50 Ω in series.
 0.5 A in parallel with 50 Ω.
 2 A with 50 Ω in parallel.
 none of these.

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Electric Circuits
The arrangement of 12 cells each of internal resistance 1.5 Ohm to give maximum current in external load resistance of 2 Ohm will be

 all 12 in series.
 in 4 parallel rows each row having 3 cells in series.
 in 3 parallel rows each row having 4 cells in series.
 all 12 in parallel.

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Electric Circuits
According to duality principle a series inductor (L) can be represented as

 Parallel L.
 Parallel C.
 Series C.
 Series L.

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MORE MCQ ON Electric Circuits

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