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An electric field exists in the cylindrical region shown and is parallel to the cylinder axis. The magnitude of the field might vary with time according to any of the four graphs shown. Rank the four variations according to the magnitudes of the magnetic field induced at the edge of the region, least to greatest.

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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 13
A 1.2 m radius cylindrical region containing a uniform electric field that is increasing uniformly with time. At t=0 the field is 0 and at t=5.0 s the field is 200 V m-1. The total displacement current through a cross section of the region is
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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 14
A current of 1 A is used to change a parallel plate capacitor with square plates. If the area of each plate is 0.6 m2 the displacement current through an 0.3 m2 area fully between the capacitor plates and parallel to them is:
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Gamma Question Bank for Engineering Physics>Chapter 22 - Electromagnetic Waves>Assignment Set-2>Q 15
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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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?