A long wire A carries a current of $$10$$ A. Another long wire B, which is parallel to A and separated by $$0.1$$ m from A, carries a current of $$5$$ A, in the opposite direction to that in A. What is the magnitude and nature of the force experienced per unit length of B?μ$$0$$ $$=$$ $$4$$π × $$10$$−$$7$$ $$Wb/A$$−m

Question

A long wire A carries a current of $$10$$ A. Another long wire B, which is parallel to A and separated by $$0.1$$ m from A, carries a current of $$5$$ A, in the opposite direction to that in A. What is the magnitude and nature of the force experienced per unit length of B?μ$$0$$ $$=$$ $$4$$π × $$10$$−$$7$$  $$Wb/A$$−m

Infinity Learn · Accepted Answer

$$F=$$μ$$04$$π $$2i1$$ $$i2r=$$ $$10$$−$$7$$ ×   $$2$$ × $$10$$ × $$50.1=$$  $$10$$−$$4$$  $$N/m$$                                                                                     (Repulsive)

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

free study material

A long wire A carries a current of 10 A. Another long wire B, which is parallel to A and separated by 0.1 m from A, carries a current of 5 A, in the opposite direction to that in A. What is the magnitude and nature of the force experienced per unit length of B?μ0 = 4π × 10−7 Wb/A−m

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

free study material