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Capacitance of Parallel Plate Capacitor

A toroid havi...

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A toroid having inner radius 10cm, outer radius 11cm and 10000 turns is carrying current 2A. Magnetic field at a point at distance 5cm from the centre of its curvature is

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Q. A toroid has inner radius of

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Q. A toroid having a square cross-section 5 cm on each side and inner radius of 15 cm has 500 turns and carries 0.8 A. what is the magnetic field inside the toroid at the inner radius.

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