7 JEE Main 2013 Alternating Current previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2013 previous-year questions from the Alternating Current chapter of Physics. Each links to a full solution with a verified answer key. To see the whole chapter across all years, visit the Alternating Current chapter hub.
When resonance is produced in a series LCR circuit, then which of the following is not correct?
In the circuit shown here, the voltage across E and C are respectively 300 ~V and 400 ~V. The voltage E of the ac sourc…
In a series L-C-R circuit, C=10⁻¹¹ Farad, L=10⁻ ⁵ Henry and R=100 Ohm, when a constant D.C. voltage E is applied to the…
An LCR circuit as shown in the figure is connected to a voltage source Vac whose frequency can be varied. The frequency…
The amplitude of a damped oscillator decreases to 0.9 times its original magnitude in 5s. In another 10s it will decrea…
A series LR circuit is connected to an ac source of frequency ω and the inductive reactance is equal to 2 R. A capacita…
The plot given below is of the average power delivered to an LRC circuit versus frequency. The quality factor of the ci…