Solved papers for JEE Main & Advanced JEE Main Paper (Held On 11 April 2015)
done JEE Main Paper (Held On 11 April 2015) Total Questions - 2
question_answer1) For the LCR circuit, shown here, the current is observed to lead the applied voltage. An additional capacitor C', when joined with the capacitor C present in the circuit, makes the power factor of the circuit unity. The capacitor C', must have been connected in :
[JEE Main Online Paper (Held On 11 April 2015)]
A)
series with C and has a magnitude\[\frac{1-{{\omega }^{2}}LC}{{{\omega }^{2}}L}.\]
doneclear
B)
series with C and has a magnitude\[\frac{C}{({{\omega }^{2}}LC-1)}.\]
doneclear
C)
parallel with C and has a magnitude\[\frac{C}{({{\omega }^{2}}LC-1)}.\]
doneclear
D)
parallel with C and has a magnitude\[\frac{1-{{\omega }^{2}}LC}{{{\omega }^{2}}L}.\]