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Physics - Magnetism Question with Solution | TestHub

PhysicsMagnetismMagnetic ForceMedium2 minQB

PhysicsMediumsingle choice

Currents of a 10 ampere and 2 ampere are passed through two parallel thin wires $A$ and $B$ respectively in opposite directions. Wire $A$ is infinitely long and the length of the wire $B$ is $2 m$ . The force acting on the conductor $B$ , which is situated at $10 cm$ distance from $A$ will be

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Answer:

Solution:

Force acting on conductor $B$ due to conductor $A$ is given by relation $F = \frac{μ _{0} I _{1} I _{2} l}{2 π r}$ $l$ -length of conductor $B$ $r$ -distance between two conductors $∴ F = \frac{4 π \times 1 0 ^{- 7} \times 10 \times 2 \times 2}{2 \times π \times 0.1} = 8 \times 1 0^{- 5} N$

Stream:JEESubject:PhysicsTopic:MagnetismSubtopic:Magnetic Force

⏱ 2mℹ️ Source: QB

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