engineering recuitment UPPCL Technician Electrician 2022 Mock Test Electrician and Wireman Electromagnetism
What is the magnitude of the equatorial field due to a bar magnet of length 5.0 cm at a distance of 50 cm from its midpoint? The magnetic moment of the bar magnet is 0.40 A m2.
1
3.2 T
2
3.2 × 10-3 T
3
3.2 × 10-6 T
4
3.2 × 10-7 T