If the voltage across `500 Omega` is 5 V. then `R_2` is

When a battery connected across a resistor of 16 Omega , the voltage across the resistor is 12 V. When the same battery is connected across a resistor of 10 Omega , voltage across it is 11 V. The internal resistance of the battery (in ohm) is

When a battery connected across a resistor of 16 Omega , the voltage across the resistor is 12 V. When the same battery is connected across a resistor of 10 Omega , voltage across it is 11 V. The internal resistance of the battery (in ohm) is

When a battery connected across a resistor of 16Omega , the voltage across the resistor is 12 V. When the same battery is connected across the resistor of 10Omega voltage across it is 11 V. The internal resistance of the battery in ohm is

When a battery connected across a resistor of 16Omega the voltage across the resistor is 12 V. When the same battery is connected across a resistor of 10Omega voltage. Across it is 11 V. The internal resistance of the battery in ohms is

A resistor R and the capacitor C are connected in series across an ac source of rms voltage 5V if the rms voltage across C is 3V then that across R is .

Two cells having an internal resistance of 0.2 Omega and 0.4 Omega are connected in parallel, the voltage across the battery is 1.5 V. If the emf of one cell is 1.2 V, then the emf of second cell is

In the circuit shown the voltage drop across the 15Omega resistor is 30 V having the polarity as indicated. The ratio of potential difference across 5Omega and resistance R is

In the circuit shown the voltage drop across the 15Omega resistor is 30 V having the polarity as indicated. The ratio of potential difference across 5Omega and resistance R is

An ac source of 50 V (r.m.s value) is connected across a series R - C circuit. If the r.m.s voltage across the resistor is 40 V, then the r.m.s voltage across the capacitor is