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JEE Main 2022 (Online) 25th June Evening Shift
Numerical
+4
-1
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In a series LCR circuit, the inductance, capacitance and resistance are L = 100 mH, C = 100 $$\mu$$F and R = 10 $$\Omega$$ respectively. They are connected to an AC source of voltage 220 V and frequency of 50 Hz. The approximate value of current in the circuit will be ___________ A.

JEE Main 2022 (Online) 25th June Evening Shift Physics - Alternating Current and Electromagnetic Induction Question 68 English

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2
JEE Main 2022 (Online) 25th June Morning Shift
Numerical
+4
-1
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The current in a coil of self inductance 2.0 H is increasing according to I = 2 sin(t2) A. The amount of energy spent during the period when current changes from 0 to 2 A is ____________ J.

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3
JEE Main 2022 (Online) 24th June Morning Shift
Numerical
+4
-1
Change Language

As shown in the figure an inductor of inductance 200 mH is connected to an AC source of emf 220 V and frequency 50 Hz. The instantaneous voltage of the source is 0 V when the peak value of current is $${{\sqrt a } \over \pi }$$ A. The value of $$a$$ is ___________.

JEE Main 2022 (Online) 24th June Morning Shift Physics - Alternating Current and Electromagnetic Induction Question 60 English

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4
JEE Main 2021 (Online) 31st August Evening Shift
Numerical
+4
-1
At very high frequencies, the effective impendence of the given circuit will be ________________ $$\Omega$$.

JEE Main 2021 (Online) 31st August Evening Shift Physics - Alternating Current and Electromagnetic Induction Question 85 English
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