Question

You are connecting several resistors of different resistance to a battery. Which statement is correct?

A. If the resistors are connected in series, currents through all resistors are the same, but potential differences across each resistor are different;

B. If the resistors are connected in series, currents through all resistors are different, but potential differences are the same;

C. If the resistors are connected in parallel, currents through all resistors are the same, but potential differences are different;

D. If the resistors are connected in parallel, currents through all resistors are the different, but potential differences are the same;

E. B and C;

F. A and D.

Answer 1

F option is correct , that is A & D are correct.

It is so because, whenever we connect resistors in series , there is only one path for current to follow and thus current is same in all the resistors but the potential difference is different across each resistor.

When all the resistors are connected in parallel, there are different paths available for the current to follow, and thus different currents flow through different ressistors but the potential difference remains same across each resistor.

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