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CBSE Class 10 Answered

Dependence of current on the potential difference
Asked by Anupam Neelima | 28 Sep, 2011, 08:16: PM
answered-by-expert 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 | 29 Sep, 2011, 11:34: AM

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