(b) Explain with reasons, what happens when two wires of negligible mass carrying direct current in the same direction are held close to each other in a dielectric medium. Support your explanation with a suitable diagram (c) Describe the mechanism of conduction of electricity in a metal. Show that the current I carried by a conducing wire of crass- sectional area A is I = nqAva Given that each carrier with a charge q travels with a drift velocity Vd, and n is the number density.
(b) Explain with reasons, what happens when two wires of negligible mass carrying direct current in the same direction are held close to each other in a dielectric medium. Support your explanation with a suitable diagram (c) Describe the mechanism of conduction of electricity in a metal. Show that the current I carried by a conducing wire of crass- sectional area A is I = nqAva Given that each carrier with a charge q travels with a drift velocity Vd, and n is the number density.
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