Physics · 2025
JEE Main · 7 April 2025, Shift 2 · Q48
An inductor of reactance 100 Ω, a capacitor of reactance 50 Ω, and a resistor of resistance 50 Ω are connected in series with an AC source of 10 V,…
An inductor of reactance $\displaystyle 100 \Omega$, a capacitor of reactance $\displaystyle 50 \Omega$, and a resistor of resistance $\displaystyle 50 \Omega$ are connected in series with an AC source of $\displaystyle 10 \mathrm{~V}, 50 \mathrm{~Hz}$. Average power dissipated by the circuit is $\displaystyle \_\_\_\_$ W.
Official answer
From NTA’s final answer key for this paper.
1
More from Alternating Current
- A capacitor C is first charged fully with potential difference of V_0 and disconnected from the battery. The charged capacitor is connected across an…2026
- A series LCR circuit with R=20 Ω, L=1.6 H and C=40 μ F is connected to a variable frequency a.c. source. The inductive reactance at resonant…2026
- Given below are two statements: one is labelled as Assertion and the other is labelled as Reason (R). Assertion: Choke coil is simply a coil having a…2025
- An electric bulb rated as 100 W-220 V is connected to an ac source of rms voltage 220 V. The peak value of current through the bulb is:2025
- In a series LCR circuit, a resistor of 300 Ω, a capacitor of 25 nF and an inductor of 100 mH are used. For maximum current in the circuit, the…2025
- An inductor of 10 mH, capacitor of 0.1 μ F and a resistor of 100 Ω are connected in series across an a.c power supply 220 V, 70 Hz. The power factor…2026
- The electric current in the circuit is given as i=i_o(t / T). The r.m.s current for the period t=0 to t=T is ____.2026
- For ac circuit shown in figure, R=100 k Ω and C=100 pF and the phase difference between V_in and (V_B-V_A) is 90^°. The input signal frequency is…2025
JEE Main 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.