Alternating Current · Physics · JEE Advanced

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MCQ (Single Correct Answer)

JEE Advanced 2023 Paper 1 Online
A series LCR circuit is connected to a $45 \sin (\omega t)$ Volt source. The resonant angular frequency of the circuit is $10^5 ~\mathrm{rad}~ \mathrm...
JEE Advanced 2017 Paper 2 Offline
In Process 1, the energy stored in the capacitor EC and heat dissipated across resistance ED are related by
JEE Advanced 2017 Paper 2 Offline
In Process 2, total energy dissipated across the resistance ED is
JEE Advanced 2013 Paper 2 Offline
In the method using the transformers, assume that the ratio of the number of turns in the primary to that in the secondary in the step-up transformer ...
IIT-JEE 2010 Paper 1 Offline
An AC voltage source of variable angular frequency $$\omega$$ and fixed amplitude V0 is connected in series with a capacitance C and an electric bulb ...
IIT-JEE 2007 Paper 2 Offline
STATEMENT 1 A vertical iron rod has a coil of wire wound over it at the bottom end. An alternating current flows in the coil. The rod goes through a c...

MCQ (More than One Correct Answer)

JEE Advanced 2017 Paper 2 Offline
The instantaneous voltages at three terminals marked $$X,Y$$ and $$Z$$ are given by $${V_x} = {V_0}\,\sin \,\omega t,$$ $${V_Y} = {V_0}\,\sin $$ $$...
JEE Advanced 2017 Paper 2 Offline
A source of constant voltage V is connected to a resistance R and two ideal inductors L1 and L2 through a switch S as shown. There is no mutual induct...
JEE Advanced 2017 Paper 1 Offline
In the circuit shown, $$L = 1\,\mu H,C = 1\,\mu F\,$$ and $$R = 1\,k\Omega .$$ They are connected in series with an a.c. source $$V = {V_0}\sin \om...
JEE Advanced 2014 Paper 1 Offline
At time t = 0, terminal A in the circuit shown in the figure is connected to B by a key and an alternating current I(t) = I0 cos ($$\omega$$t), with I...
IIT-JEE 2012 Paper 2 Offline
In the given circuit, the AC source has $$\omega$$ = 100 rad/s. Considering the inductor and capacitor to be ideal, the correct choice(s) is(are) ...
IIT-JEE 2011 Paper 2 Offline
A series RC-current is connected to AC voltage source. Consider two cases : (A) When C is without a dielectric medium and (B) when C is filled with di...


IIT-JEE 2011 Paper 2 Offline
A series RC combination is connected to an AC voltage of angular frequency $$\omega$$ = 500 rad/s. If the impedance of the RC circuit is R$$\sqrt{1.25...
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