Assertion: Series combination of cells i...

Assertion: Series combination of cells is used when their internal resistance is much smaller than the external resistance.
Reason: `I=(n epsilon)/(R+nr)` where is symbols have their standard meaning in series connection

A

both A and R are true and R is the correct explanation of A.

B

Both A and R are true but R is not the correct explanation of A.

C

A is true but R is false

D

A is false but R is true

Verified by Experts

The correct Answer is:

A

Similar Questions

Explore conceptually related problems

A cell of emf epsilon and internal resistance r is charged by a current I, then

The electric power transferred by a cell to an external resistance is maximum when the external resistance is equal to (r internal resistance)

While making a battery by connecting n cells in series is useful only when the load resistance is much …………..than internal resistance of the cell.

An total resistance R is connected to a cell of internal resistance r the maximum current flows in the external resistance, when

To get the maximum current from a parallel combination of n identical cells each of internal resistance r in an external resistance R , when

An external resistance R is connected to a cell of internal resistance r. The current in the circuit is maximum when