A) For long parallel conductors carrying steady current, the Biot-Savan law and Lorentz force yield results in accordance with Newtons third law
B) For long parallel conductors carrying steady current, the Biot - Savart law and Lorentz force, Newtons third law does not hold good
C) For long parallel conductors carrying time varying currents, the Biot - Savart law and Lorentz force, Newtons third law holds good
D) Both a and c are correct
E) None of the above
Correct Answer: A
Solution :
In general, Newtons third law is not valid for electromagnetic phenomena but for long parallel conductors and steady current, we can prove that Biot-Savart law and Lorentz force give the results in accordance with Newtons third law.
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