1
AIEEE 2010
MCQ (Single Correct Answer)
+4
-1
In the circuit shown below, the key $$K$$ is closed at $$t=0.$$ The current through the battery is

2
AIEEE 2007
MCQ (Single Correct Answer)
+4
-1
In an $$a.c.$$ circuit the voltage applied is $$E = {E_0}\,\sin \,\omega t.$$ The resulting current in the circuit is $$I = {I_0}\sin \left( {\omega t - {\pi \over 2}} \right).$$ The power consumption in the circuit is given by
3
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
In a series resonant $$LCR$$ circuit, the voltage across $$R$$ is $$100$$ volts and $$R = 1\,k\Omega $$ with $$C = 2\mu F.$$ The resonant frequency $$\omega $$ is $$200$$ $$rad/s$$. At resonance the voltage across $$L$$ is
4
AIEEE 2006
MCQ (Single Correct Answer)
+4
-1
In an $$AC$$ generator, a coil with $$N$$ turns, all of the same area $$A$$ and total resistance $$R,$$ rotates with frequency $$\omega $$ in a magnetic field $$B.$$ The maximum value of $$emf$$ generated in the coil is
Questions Asked from Alternating Current (MCQ (Single Correct Answer))
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