A closed circuit consists of two semicircles of radii 40 and 20 cm that are connected by straight segments as shown in Figure. A current of 3.0 A flows around this circuit in the clockwise direction. Find the magnetic field at point P.
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A closed circuit consists of two semicircles of radii 40 and 20 cm that are connected by straight segments as shown in Figure. A current of 3.0 A flows around this circuit in the clockwise direction. Find the magnetic field at point P.
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