Current Electricity Mcqs MDCAT

 

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Q1: Two resistors of resistance 200k ohm and 1M ohm respectively for a potential divider with outer junctions maintained at potentials of +3V and -15V.

What is the potential at "X" between the resistors?

A) +1V

B) -0.6V

C) 0 V

D) -12V

C) 0 V

Q2: If a wire is cut into seven parts , one out of seven parts is bend into a circle. find equivalent resistance of wire.

A) R/14

B) 3R/14

C) 2R/56

D) 4R/9

C) 2R/56

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