In an AC circuit resistance, inductance and capacitance are connected in series. The values of potential differences across the three are 70 V, 90 V and 65 V respectively. The value of the potential difference of the AC source is

An inductance and a resistance are connected in series with an AC potential . In this circuit

A resistor an inductor and a capacitor are connected in series to an ac source An ac voltmeter measures the votage across them as 800 V, 30 V and 90V respectively The rms value of the supply voltage is .

In an AC circuit the potential differences across an inductance and resistance joined in series are respectively 16 V and 20 V. The total potential difference of the cource is

An AC source is connected with a resistance ( R) and an unchanged capacitance C, in series. The potential difference across the resistor is in phase with the initial potential difference across the capacitor for the first time at the instant (assume that at t =0 , emf is zero)

In the circuit, V is potential differences across the terminal as shwon in figure. Then the value of V is

In an ac circuit the potential differences across an inductance and resistance joined in series are, respectively, 16 V and 20 V. The total potential difference across the circuit is

A capacitor and a resistor are connected in series with an a.c. source. If the potential difference across C, R are 120 V and 90 V repectively, and if rms value of current is 3 A, calculate impedance and power factor of the circuit.

An electrical heater and a capacitor are joined in series across a 220V, 50Hz, AC supply. The potential difference across the heater is 90V . The potential difference across the capacitor will be about:

A resistor and a capacitor are connected in series with an a.c. source. If the potential drop across the capacitor is 5 V and that across resistor is 12 V, applied voltage is