| ASSERTION: There is net electrostatic field inside the cell. When circuit is closed and steady current is passing. |
| REASON: In closed circuit electron move from negative to positive electrode. |
A) If both assertion and reason are true and reason is the correct explanation of assertion.
B) If both assertion and reason are true and reason is not the correct explanation of assertion.
C) If assertion is true but reason is false.
D) If both assertion and reason are false.
E) If assertion is false but reason is true.
Correct Answer: B
Solution :
When the circuit is closed, the electrons move from negative electrode towards positive electrode in external circuit and positive charge move from positive electrode to negative electrode inside the cell. Due to which the potential difference across the electrodes becomes less than the e.m.f. of the cell. This shows that there is a net electrostatic field inside the cell, from the negative to the positive electrode.
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