a total 54.0 joules of heat are absorbed as 58.3 g of lead is heated from 12.0 to 42.0. From these data what is the specific hea
2 answers:
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Answer:
=
Explanation:
Given :
the distance between the two wires is = 2 cm
= 0.02 m
Current in one of the wire, I = 25 A
Now we know that, when the direction of the current is same that is in one direction , the magnetic field at the mid point in between the two wires will oppose each other.
Therefore we know that
=
=
=