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Electric Circuits

Electric Circuits
Consider the following circuit. What is the value of i ?

 12 A.
 6 A.
 - 5 A.
  5 A.

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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 parallel.
 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.

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Electric Circuits
Average power taken by the pure capacitor is

 Maximum
 Minimum
 Any of the above
 Zero

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Electric Circuits
Container of a lead acid battery

 ceramics.
 molded hard rubber.
 celluloid.
 any of above.

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Electric Circuits
A network contains linear resistors and ideal voltage sources. If values of all the resistors are doubled, then voltage across each resistor is

 increase by two times.
 doubled.
 halved.
 remain same.

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Electric Circuits
The mass of a neutron of atom is

 1.609 × 10 - 31 Kg.
 1.672 × 10 - 26 Kg.
 1.602 × 10 - 19 Kg.
 1.675 × 10 - 27 Kg.

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