Physics · 2022
JEE Main · 30 July 2022, Shift 2 · Q12
In an A.C circuit, V & I are given by V =250 sin (100 t ) volt and I =10 sin (100 t +(π)/3) A respectively The power dissipated in the circuit is:
In an A.C circuit , V & I are given by $\displaystyle \mathrm{V}=250 \sin (100 \mathrm{t})$ volt and
$\displaystyle \mathrm{I}=10 \sin \left(100 \mathrm{t}+\frac{\pi}{3}\right)$ A respectively
The power dissipated in the circuit is:
Official answer
(2)
$\displaystyle 625$ W
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 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.