The reading of a galvanometer connected in the circuit is zero. If the internal resistance of a battery is zero then find the value of X.

the current in a circuit containing a battery connected to 2Omega resistance is 0.9 A . When ana additional resistance of 8Omega is connected to the same battery the current observed in the circuit is 0.3A . Then the internal resistance of the battery is xOmega . Find value of x.

the current in a circuit containing a battery connected to 2Omega resistance is 0.9 A . When ana additional resistance of 8Omega is connected to the same battery the current observed in the circuit is 0.3A . Then the internal resistance of the battery is xOmega . Find value of x.

If the deflection of galvanometer in Wheatstone circuit is zero, the value of resistance will be

In the following circuit diagram. The galvanometer reading is zero. If the inter nal resistance of cells are negligible then what is the value of X?

In the following circuit diagram. The galvanometer reading is zero. If the inter nal resistance of cells are negligible then what is the value of X?

In the given circuit, the reading of ideal voltmeter is E//2 . The internal resistance of the battery is

In the given circuit, the reading of ideal voltmeter is E//2 . The internal resistance of the battery is

A galvanometer, together with an unknown resistance in series, is connected across two identical batteries of each 1.5 V . When the batteries are connected in series,the galvanometer records a current of 1 A , and when the batteries are connected in parallel, the current is 0.6 A . In this case, the internal resistance of the battery is 1//'**' Omega . What is the value of '**'?

If deflection in galvanometer in above circuit is zero then find value of R. Internal resistance of 12 V source is negligible. Will the galvanometer show some deflection if cold air is passed on 10 k Omega wire wound resistor ?

In the circuit shown below, the ammeter reading is zero. Then, the value of the resistance R is