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A parallel plate capacitor is charged to 60 μC. Due to a radioactive source, the plate losses charge at the rate of 1.8×10-8 C s-1. The magnitude of displacement current is

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Important Questions on Electromagnetic Waves

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The electric and the magnetic field in an electromagnetic wave are:
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Light wave travelling along y-direction. If the corresponding E vector at any time is along x-axis, the direction of B vector at that time is along

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In an apparatus, the electric field was found to oscillate with an amplitude of 18 V m-1. The magnitude of the oscillating magnetic field will be
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Frequency of a wave is 6×1015 Hz. The wave is
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Biological importance of ozone layer is that it
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Dimension of 1μ0ε0, where symbols have their usual meanings, is
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In a plane electromagnetic wave in free space the electric field oscillates sinusoidally at an amplitude 45 V m-1. The amplitude of the oscillating magnetic field will be