24 JEE Main 2024 Alternating Current previous-year questions with verified answers and step-by-step solutions.
These are the JEE Main 2024 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.
A transformer has an efficiency of 80 % and works at 10 V and 4 kW . If the secondary voltage is 240 V , then the curre…
A alternating current at any instant is given by i=[6+√(56) (100 π t+π / 3)] A. The r m s value of the current is _____…
A capacitor of reactance 4 √(3) Ω and a resistor of resistance 4 Ω are connected in series with an ac source of peak va…
An ac source is connected in given series LCR circuit. The rms potential difference across the capacitor of 20 µ F is _…
In series LCR circuit, the capacitance is changed from C to 4 C . To keep the resonance frequency unchanged, the new in…
For a given series LCR circuit it is found that maximum current is drawn when value of variable capacitance is 25 nF. I…
In an a.c. circuit, voltage and current are given by: V = 100 sin ( 100 t ) V and I = 100 sin 100 t + π 3 mA respective…
An alternating emf E=110 √(2) 100 t volt is applied to a capacitor of 2 µ F, the rms value of current in the circuit is…
A LCR circuit is at resonance for a capacitor C, inductance L and resistance R. Now the value of resistance is halved k…
Primary coil of a transformer is connected to 220 V A C . Primary and secondary turns of the transforms are 100 and 10…
Log in to unlock the full list, track what you've solved, and practice on the TCS iON-style CBT player. It's free.