Current Electricity · Physics · BITSAT

In the arrangement shown in figure, when the switch S2 is open, the galvanometer, shows no deflection for $$l$$ = 50 cm when the switch S2 is closed, ...

A shunt is connected in parallel with a galvanometer. Why?

In the following circuit, assuming point A to be at zero potential, then what is the potential at point B?...

In the circuit shown, if the 10 $$\Omega$$ resistor is replaced by a resistor of 15 $$\Omega$$, then what is the amount of current drawn from the batt...

A moving coil galvanometer has a resistance of 60 $$\Omega$$ and it indicates full deflection on passing a current of 4.5 mA. A voltmeter is made usin...

A potentiometer wire, 10 m long, has a resistance of 40$$\Omega$$. It is connected in series with a resistance box and a 4 V storage cell. If the pote...