Teaching BPSC 4.0 बिहार उच्च माध्यमिक शिक्षक भर्ती (PGT) Mock Test Physics Moving Charges and Magnetism Biot-Savart Law
Biot-Savart law indicates that the moving electrons (velocity v) produce a magnetic field B such that
1
B ⊥ v.
2
B || v.
3
it obeys inverse cube law.
4
More than one of the above
5
None of the above