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Voltage is _________ current in RC circuit.
NETNUST Entry TestPhysicsAlternating Current
In a pure resistive circuit current and voltage are
NETNUST Entry TestPhysicsAlternating Current
Power of RCL circuit at resonance is?
NETNUST Entry TestPhysicsAlternating Current
Resistance of RCL series circuit at resonance is?
NETNUST Entry TestPhysicsAlternating Current
The angle made by the coil of an AC generator at a time interval $\rm{\frac{3T}{4}}$ is?
NETNUST Entry TestPhysicsAlternating Current
Power factor In an AC circuit is?
NETNUST Entry TestPhysicsAlternating Current
At resonance, the RLC circuit behaves like
NETNUST Entry TestPhysicsAlternating Current
Reactance of an inductor is given by:
NETNUST Entry TestPhysicsAlternating Current
What will be the impedance for $\rm{V=10\sin(wt)}$ and $\rm{I=20\sin(wt)}.$
NETNUST Entry TestPhysicsAlternating Current
The frequency of AC used in Pakistan is
NETNUST Entry TestPhysicsAlternating Current
An Inductor of 1 Henry is connected across a 220 V, 50 Hz supply. The peak value of current is approximately
NETNUST Entry TestPhysicsAlternating Current
The process of combining low frequency waves with high frequency is called
NETNUST Entry TestPhysicsAlternating Current
Wavelength of X-rays is of the order of?
NETNUST Entry TestPhysicsAlternating Current
Simple oscillating circuit consists of?
NETNUST Entry TestPhysicsAlternating Current
Power factor of pure capacitive circuit Is?
NETNUST Entry TestPhysicsAlternating Current
\rm{P=I_{rms}V_{rms}} is applicable for
NETNUST Entry TestPhysicsAlternating Current
When A.C voltage V is applied to an inductor, then:
NETNUST Entry TestPhysicsAlternating Current
To maintain the current in an inductor, the applied voltage must be:
NETNUST Entry TestPhysicsAlternating Current
An inductor usually has:
NETNUST Entry TestPhysicsAlternating Current
The reactance of a coil depends upon:
NETNUST Entry TestPhysicsAlternating Current
A $\frac{100}{\pi}$ farad capacitor is connected to an alternating voltage of frequency 50 Hz. The reactance of the capacitor is:
NETNUST Entry TestPhysicsAlternating Current
All high frequencies of applied alternating voltage, the capacitor shows:
NETNUST Entry TestPhysicsAlternating Current
In case of capacitors, the unit of reactance is:
NETNUST Entry TestPhysicsAlternating Current
The measure of the opposition offered by a capacitor to the flow of an A.C is called:
NETNUST Entry TestPhysicsAlternating Current
When A.C voltage source is connected to a capacitor:
NETNUST Entry TestPhysicsAlternating Current