Welcome to your AC Circuits
The time constant of the capacitance circuit is defined as the time during which voltage
The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of______degrees
A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to
Inductance affects the direct current flow
Power factor of an inductive circuit is usually improved by connecting capacitor to it in
The square waveform of current has following relation between r.m.s. value and average value
The form factor is the ratio of
. If two sinusoids of the same frequency but of different amplitudes and phase angles are subtracted, the resultant is
If a sinusoidal wave has frequency of 50 Hz with 30 A r.m.s. current which of the following equation represents this wave ?
The voltage of domestic supply is 220V. This figure represents
Capacitors for power factor correction are rated in
. In a pure inductive circuit
For a frequency of 200 Hz, the time period will be
The peak value of a sine wave is 200 V. Its average value is
All the rules and laws of D.C. circuit also apply to A.C. circuit containing
A sine wave has a frequency of 50 Hz. Its angular frequency is _______ radian/second
In series resonant circuit, increasing inductance to its twice value and reducing capacitance to its half value
The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that
In a series resonant circuit, the impedance of the circuit is
