a) Clock wise direction b) Anti clock wise direction c) Either clockwise (or) Anti clockwise direction d) Indefinite 3. The magnitude of the field produced by an electric current can be determined by using a) Joule's law b) Ohm's law c) Biot - Savarts law d) Amperes law 4. In SI, unit of permeability of free space (u,) a) 4T x 10 henry/metre b) 4Tx107 henry/metre
a) Clock wise direction b) Anti clock wise direction c) Either clockwise (or) Anti clockwise direction d) Indefinite 3. The magnitude of the field produced by an electric current can be determined by using a) Joule's law b) Ohm's law c) Biot - Savarts law d) Amperes law 4. In SI, unit of permeability of free space (u,) a) 4T x 10 henry/metre b) 4Tx107 henry/metre
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