1

JEE Main 2021 (Online) 26th February Morning Shift

Numerical

+4

-1

In a series LCR resonant circuit, the quality factor is measured as 100. If the inductance is increased by two fold and resistance is decreased by two fold, then the quality factor after this change will be __________.

Your input ____

2

JEE Main 2021 (Online) 25th February Morning Shift

Numerical

+4

-1

A transmitting station releases waves of wavelength 960 m. A capacitor of 2.56 $$\mu$$F is used in the resonant circuit. The self inductance of coil necessary for resonance is __________ $$\times$$ 10

^{$$-$$8}H.Your input ____

3

JEE Main 2021 (Online) 24th February Evening Shift

Numerical

+4

-1

A series L-C-R circuit is designed to resonate at an angular frequency $$\omega$$

_{0}= 10^{5}rad/s. The circuit draws 16W power from 120V source at resonance. The value of resistance 'R' in the circuit is _________ $$\Omega$$.Your input ____

4

JEE Main 2021 (Online) 24th February Morning Shift

Numerical

+4

-1

A common transistor radio set requires 12 V (D.C.) for its operation. The D.C. source is constructed by using a transformer and a rectifier circuit, which are operated at 220 V (A.C.) on standard domestic A.C. supply. The number of turns of secondary coil are 24, then the number of turns of primary are ___________.

Your input ____

Questions Asked from Alternating Current (Numerical)

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