20 amp current is flowing in a long straight wire. The intensity of the magnetic field at…
Physics · Class 12 · CBSE — Moving Charges and Magnetism
20 amp current is flowing in a long straight wire. The intensity of the magnetic field at a distance of 10 cm from the wire will be:
- 4 \(\times\) 10-5 Wb/m2
- 6 \(\times\) 10-5 Wb/m2
- 2 \(\times\) 10-5 Wb/m2
- 8 \(\times\) 10-5 Wb/m2
Answer
(A) 4 10 -5 Wb/m 2
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