Two identical parallel plate air capacitors are connected in series to a battery of emf V . If one of the capacitor is completely filled with dielectric material of constant K , then potential difference of the other capacitor will become

Question

Two identical parallel plate air capacitors are connected in series to a battery of emf V . If one of the capacitor is completely filled with dielectric material of constant K , then potential difference of the other capacitor will become, K V K + 1, V K + 1, K - 1 V K, V K K + 1

MARKS App · Accepted Answer

Both the capacitance will have same charge V 1 = q C and V 2 = q K C But V 1 + V 2 = V ⇒ q C + q K C = V ⇒ q C . K + 1 K = V Potential difference across capacitor without dielectric is V ' = q C = K K + 1 V

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