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A cylindrical region contains a uniform electric field that is along the cylinder axis and is changing with time. If r is distance from the cylinder axis the magnitude of the magnetic field within the region is

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Important Questions on Electromagnetic Waves

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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 16
A cylindrical region contains a uniform electric field that is parallel to the axis and is changing with time. If r is distance from the cylinder axis the magnitude of the magnetic field outside the region is
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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 17
A 0.70 m radius cylindrical region contains a uniform electric field that is parallel to the axis and is increasing at the rate of 5.0×1012 V ms-1. The magnetic field at a point 1.2 m from the axis has a magnitude of
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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 18
A sinusoidal emf is connected to a parallel plate capacitor. The magnetic field between the plates
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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 19
Which of the following equations can be used, along with a symmetry argument, to calculate the magnetic field of a long straight wire carrying current?
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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 20
Which of the following equations can be used to show that magnetic field lines form closed loops?
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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 21
If the amplitude of the electric field in a plane electromagnetic wave is 100 V m-1 then the amplitude of the magnetic field is
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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 22
For an electromagnetic wave the direction of the vector E→×B→ gives
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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 23
The displacement current flows in a dielectric of a capacitor when the potential difference across its plates.