In a pure inductive circuit with AC source, the current lags behind emf by phase angle of....

In a purely resistive AC circuit,

Assertion: Faraday's laws are consequences of conservation of energy. Reason: In a purely resistive AC circuit, the current lags behind the e.m.f. in phase

Assertion : In a purely inductive or capacitive circuit, the current is referred to as wattless currents. Reason : No power is dissipated in a purely inductive or capacitive circuit even though a current is flowing in the circuit.

In a circuit, the current lags behind the voltage by a phase difference of pi//2 , the circuit will contain which of the following ?

In an LCR circuit R=100 ohm . When capacitance C is removed, the current lags behind the voltage by pi//3 . When inductance L is removed, the current leads the voltage by pi//3 . The impedence of the circuit is

In an ac circuit, the current lags behind the voltage by pi//3 . The components in the circuit are

A series LCR circuit with a resistance of 100 sqrt(5) Omega is connected to an ac source of 200 V. When the capacitor is removed from the circuit, current lags behind emf by 45^(@) . When the inductor is removed from the circuit keeping the capacitor and resistor in the circuit, current leads by an angle of tan^(-1)((1)/(2)) . Calculate the current and power dissipated in LCR circuit.

A series LCR circuit with a resistance of 100 sqrt(5) Omega is connected to an ac source of 200 V. When the capacitor is removed from the circuit, current lags behind emf by 45^(@) . When the inductor is removed from the circuit keeping the capacitor and resistor in the circuit, current leads by an angle of tan^(-1)((1)/(2)) . Calculate the current and power dissipated in LCR circuit.

An alternating emf of 110 V is applied to a circuit containing a resistance R of 80Omega and an inductor L in series. The current is found to lag behind the supply voltage by an angle theta=tan^(-1)(3//4) . Find the : (i) Inductive reactance (ii) Impedance of the circuit (iii) Current flowing in the circuit (iv) If the inductor has a coefficient of self inductance of 0.1 H. What is the frequency of the applied emf?

A circuit draws a power of 550 watt from a source of 220 volt, 50 Hz . The power factor of the circuit is 0.8 and the current lags in phase behind the potential difference. To make the power factor of the circuit as 1.0, The capacitance should be connected in series with it is