

MCQOPTIONS
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1. |
Consider the following statements:A current I flows through a circular coil of one turn of radius R in the counter-clokcwise direction.1. The magnetic field at the centre is inversely proportional to R.2. The magnetic moment of the coil is directly proportional to R2.3. The magnetic field at its centre is directly proportional to R2.Which of the above statements is/are correct? |
A. | 1 and 2 |
B. | 1 only |
C. | 2 and 3 |
D. | 3 only |
Answer» B. 1 only | |