- AOpen loops.
- BClosed loops.
- CBoth a and b.
- DNone.
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Assertion : In the following circuit emf is 2V and internal resistance of the cell is 1 W and R = 1W, then reading of the voltmeter is 1V.

Reason : V = E - ir where E = 2V, i =
and R = 1 W
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(a) If both assertion and reason are true and the reason is the correct explanation of the assertion. |
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(b) If both assertion and reason are true but reason is not the correct explanation of the assertion. |
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(c) If assertion is true but reason is false. |
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(d) If the assertion and reason both are false. |
N identical spherical drops charged to the same potential V are combined to form a big drop. The potential of the new drop will be
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(a) V |
(b) V/N |
(c) V × N |
(d) V × |
A capacitor of capacitance C1 = 1mF can with stand maximum voltage V1 = 6kV (kilo-volt) and another capacitor of capacitance C2 = 3mF can withstand maximum voltage V2 = 4 kV. When the two capacitors are connected in series, the combined system can withstand a maximum voltage of
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(a) 4kV |
(b) 6kV |
(c) 8kV |
(d) 10kV |
The lateral displacement depends on ______: