Dependence of current on the potential difference

Asked by Anupam Neelima | 28th Sep, 2011, 08:16: PM

Expert Answer:

Correct Option: (a)
We must keep the circuit closed for a relatively shorter time and open for a relatively longer time. This would ensure minimal changes in the values of resistances due to the heating effects of currents.

Answered by  | 29th Sep, 2011, 11:34: AM

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