1

JEE Main 2018 (Online) 15th April Evening Slot

MCQ (Single Correct Answer)

+4

-1

A plane polarized monochromatic EM wave is traveling in vacuum along z direction such that at t = t

_{1}it is found that the electric field is zero at a spatial point z_{1}. The next zero that occurs in its neighbourhood is at z_{2}. The frequency of the electroagnetic wave is :2

JEE Main 2018 (Online) 15th April Morning Slot

MCQ (Single Correct Answer)

+4

-1

An ideal capacitor of capacitance $$0.2\,\mu F$$ is charged to a potential difference of $$10$$ $$V.$$ The charging battery is then disconnected. The capacitor is then connected to an ideal inductor of self inductance $$0.5$$ $$mH.$$ The current at a time when the potential difference across the capacitor is $$5$$ $$V,$$ is :

3

JEE Main 2017 (Online) 9th April Morning Slot

MCQ (Single Correct Answer)

+4

-1

A sinusoidal voltage of peak value 283 V and angular frequency 320/s is applied to a series LCR circuit. Given that R=5 $$\Omega $$, L=25 mH and C=1000 $$\mu $$F. The total impedance, and phase difference between the voltage across the source and the current will respectively be :

4

JEE Main 2017 (Online) 9th April Morning Slot

MCQ (Single Correct Answer)

+4

-1

A uniform magnetic field B of 0.3 T is along the positive Z-direction. A rectangular loop (abcd) of sides 10 cm × 5 cm carries a current I of 12 A. Out of the following different orientations which one
corresponds to stable equilibrium ?

Questions Asked from Electromagnetic Induction (MCQ (Single Correct Answer))

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