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JEE Main 2022 (Online) 28th June Morning Shift
Numerical
+4
-1
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A telegraph line of length 100 km has a capacity of 0.01 $$\mu$$F/km and it carries an alternating current at 0.5 kilo cycle per second. If minimum impedance is required, then the value of the inductance that needs to be introduced in series is _____________ mH. (if $$\pi$$ = $$\sqrt{10}$$)

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2
JEE Main 2022 (Online) 27th June Morning Shift
Numerical
+4
-1
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A 220 V, 50 Hz AC source is connected to a 25 V, 5 W lamp and an additional resistance R in series (as shown in figure) to run the lamp at its peak brightness, then the value of R (in ohm) will be _____________.

JEE Main 2022 (Online) 27th June Morning Shift Physics - Alternating Current Question 63 English

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3
JEE Main 2022 (Online) 26th June Morning Shift
Numerical
+4
-1
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A 110 V, 50 Hz, AC source is connected in the circuit (as shown in figure). The current through the resistance 55 $$\Omega$$, at resonance in the circuit, will be __________ A.

JEE Main 2022 (Online) 26th June Morning Shift Physics - Alternating Current Question 61 English

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4
JEE Main 2022 (Online) 25th June Evening Shift
Numerical
+4
-1
Change Language

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 Question 60 English

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