A long wire A carries a current of 10 amp. Another long wire B, Which is parallel to A and separated by 0.1m from A, carries a current of 5 amp, in the opposite direction to that in A. what is the magnitude and nature of the force experienced per unit length of B $$({{\mu }_{0}}=4\pi \times {{10}^{-7}}\,weber/amp\text{-}m)$$ [MP PET 2000]

Question

A long wire A carries a current of 10 amp. Another long wire B, Which is parallel to A and separated by 0.1m from A, carries a current of 5 amp, in the opposite direction to that in A. what is the magnitude and nature of the force experienced per unit length of B  $$({{\mu }_{0}}=4\pi \times {{10}^{-7}}\,weber/amp\text{-}m)$$  [MP PET 2000]

TuteeHUB · Accepted Answer

Attractive force of $${{10}^{-4}}N/m$$

TuteeHUB · Answer

Repulsive force of $${{10}^{-4}}N/m$$

TuteeHUB · Answer

Attractive force of $${{10}^{-4}}N/m$$

TuteeHUB · Answer

36,000

TuteeHUB · Answer

Attractive force of $$2\pi \times {{10}^{-5}}N/m$$

1.	A long wire A carries a current of 10 amp. Another long wire B, Which is parallel to A and separated by 0.1m from A, carries a current of 5 amp, in the opposite direction to that in A. what is the magnitude and nature of the force experienced per unit length of B \[({{\mu }_{0}}=4\pi \times {{10}^{-7}}\,weber/amp\text{-}m)\] [MP PET 2000]
A.	Repulsive force of \[{{10}^{-4}}N/m\]
B.	Attractive force of \[{{10}^{-4}}N/m\]
C.	36,000
D.	Attractive force of \[2\pi \times {{10}^{-5}}N/m\]
Answer» B. Attractive force of \[{{10}^{-4}}N/m\]

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