A resistor and a capacitor are connected in series across an ideal battery havin

Question

A resistor and a capacitor are connected in series across an ideal battery having a constant voltage across its terminals.
(a) At the moment contact is made with the battery the voltage across the capacitor is

d. zero.

* At the moment contact is made with the battery the voltage across the resistor is

(b) At the moment contact is made with the battery the voltage across the resistor is

a. equal to the battery's terminal voltage. b. less than the battery's terminal voltage, but greater than zero. c. greater that the battery's terminal voltage.

d. zero.

* At the moment contact is made with the battery the voltage across the resistor is

(b) At the moment contact is made with the battery the voltage across the resistor is

a. greater that the battery's terminal voltage. b. equal to the battery's terminal voltage. c. less than the battery's terminal voltage, but greater than zero. d. zero.

Explanation / Answer

d. zero [ capacitor acts as a short circuit in the beginining]

b. equal to the battery's terminal voltage. [ all the voltage drop is across the resistor as the sapacitor is short circuti.]

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