Welcome to your AC Circuits
. In a pure inductive circuit
. If two sinusoids of the same frequency but of different amplitudes and phase angles are subtracted, the resultant is
For a frequency of 200 Hz, the time period will be
If two sine waves of the same frequency have a phase difference of JT radians, then
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 phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that
The form factor is the ratio of
In a highly capacitive circuit the
A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to
The r.m.s. value of a sinusoidal A.C. current is equal to its value at an angle of______degrees
The safest value of current the human body can carry for more than 3 second is
Form Factor is the ratio of
All the rules and laws of D.C. circuit also apply to A.C. circuit containing
Power factor of an inductive circuit is usually improved by connecting capacitor to it in
The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is
Inductance affects the direct current flow
The period of a sine wave is _50 milli seconds. Its frequency is
The voltage of domestic supply is 220V. This figure represents
In an AC. circuit, a low value of kVAR compared with kW indicates
The peak value of a sine wave is 200 V. Its average value is
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