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     EduGorilla 
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    A circular coil of 20 turns and radius 20 cm is mounted vertically with its plane in magnetic meridian. A small magnetic needle is placed at the centre of the coil. When a current is passed through the coil, the needle is deflected through 45o. If the horizontal component of Earth’s field is 0.34 x 10-4 T, the current in the  coil is:

    Options :-

    1. 0.6 A
    2. 6 A
    3. 6 x 10-3 A
    4. 0.06 A
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