Physics · 2021
JEE Main · 22 July 2021, Shift 2 · Q4
In a circuit consisting of a capacitance and a generator with alternating emf E_g = E_g_0 sin ω t, V_C and I_C are the voltage and current. Correct…
In a circuit consisting of a capacitance and a generator with alternating emf $\displaystyle \mathrm{E}_{\mathrm{g}}=\mathrm{E}_{\mathrm{g}_0} \sin \omega \mathrm{t}$,
$\displaystyle \mathrm{V}_{\mathrm{C}}$ and $\displaystyle \mathrm{I}_{\mathrm{C}}$ are the voltage and current. Correct phasor diagram for such circuit is :
Official answer
(3)
More from Alternating Current
- A series LCR circuit with R=250/11 Ω and X_L=70/11 Ω is connected across a 220 V, 50 Hz supply. The value of capacitance needed to maximize the…2022
- 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 respectively. The average power dissipated…2024
- A alternating current at any instant is given by i=[6+√56 sin (100 π t+π / 3)] A. The rms value of the current is ____ A.2024
- Match List - I with List - II: Choose the correct answer from the options given below:2021
- A series LCR circuit driven by 300 V at a frequency of 50 Hz contains a resistance R=3 k Ω, an inductor of inductive reactance X_L=250 π Ω and an…2021
- For the given circuit, comment on the type of transformer used.2021
- To increase the resonant frequency in series LCR circuit,2022
- An alternating voltage source V=260 sin (628 t) is connected across a pure inductor of 5 mH. Inductive reactance in the circuit is:2023
JEE Main 2021 Physics question, with the answer from NTA’s final answer key. Where our answers come from.