A search coil used to measure magnetic field of radius 2cm. Is to be designed
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2cm x 2cm
4cm
4cm +4cm ans is 8
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A search coil used to measure the magnetic fields is to be made of radius of 2 cm. It is to be designed so that flipping it 180? in a field of 0.1T causes a total charge of 10^-4C to flow in a charge measuring instrument when the total circuit resistance is 50 ohm.
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