Two identical parallel plate air capacitors are connected in series to a battery of e.m.f. V. If one of the capacitor is completely filled with dielectric material of constant K, then potential difference of the other capacitor will become
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Let the capacitance of air filled parallel plate capacitor be C. Then capacitance of dielectric filled capacitor is KC.
Equivalent capacitance, 
Charge in the circuit, 
Potential difference of air filled capacitor is
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