Question

Assertion: The total resistance in series circuit is increased .
Reason: It depends upon the number of resistors in the circuit

Answer 1

Assertion: The total resistance in series circuit is increased .

Reason: It depends upon the number of resistors in the circuit.

Assertion and Reason are true, but Reason is not the correct explaination of Assertion.

But why?

• Whenever resistances are connected in series, the net resistance of the circuit is equal to the algebraic summation of the individual resistance. Hence, assertion is true.

• The magnitude of increase in resistance depends upon the number and magnitude of each resistance. Hence, reason is also true.

• But, the number of resistors is not the reason because of which the total resistance gets increased. Instead, division of the net potential difference across each resistance in series is the actual reason because of which the net resistance gets increased.

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Answer 2

Assertion: The total resistance in series circuit is increased.

Reason: It depends upon the number of resistors in the circuit.

Assertion and Reason are true, but Reason is not the correct explaination of Assertion.

But why?

• Whenever resistances are connected in series, the net resistance of the circuit is equal to the algebraic summation of the individual resistance. Hence, assertion is true.

• The magnitude of increase in resistance depends upon the number and magnitude of each resistance.Hence,the reason is also true.

• But, the number of resistors is not the reason because of which the total resistance gets increased. Instead, division of the net potential difference across each resistance in series is the actual reason because of which the net resistance gets increased.

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