A capacitor and a resistor are connected in series with each other and in series with an accumulator of negligible internal resistance. The potential across the terminals of the capacitor is
twice the e.m.f of the accumulator
less than the e.m.f by the potential drop across the resistor
zero
the same as the e.m.f.
greater than the e.m.f
Explanation
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Discussions (6)
The answer should be D just as I said in 1978.
Since the whole circuit is open no current is allowed to flow through the resistor which would have resulted in a voltage drop, by connecting a voltmeter across the capacitor is going to read the exact value of the EMF since "no voltage is dissipated by the resistor".
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my school the answer is D
the voltage is infinity meaning that the pd difference across the capacitor equals that of the accumulator
by infinity,it means that whatsoever be it the emf of the accumulator,the capacitor will storencharges equivalent to it
and D
