NOOTAN KUMAR MITTAL ISC CLASS 12th Chapter - 7 (Moving Charges and Magnetic Field) NUMERICAL SOLUTION

             NUMERICALS

1. A long straight wire carries------------------------------------ 20 cm from the wire.

Ans.1

2. A long straight wire in---------------2.5 m east of the wire.

Ans.2

3. Two infinitely long---------------------------------------------------------(I) Find the magnitude.(II) direction of current.

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4. An electron beam carries a current of 5 microampere---------------------------------- distance of 50 cm.

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6. A circular loop of radius 5 cm--------------------------------------------------------magnetic field and its centre.

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7. A circular coil of wire having 100  turns---------------------------------------. Find at the centre of the coil.

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