Magnetic field at any point at a distance R due to a long straight conductor carrying current varies is
A. R2
B. R
C. \(\frac{1}{R^{2}}\)
D. \(\frac{1}{R}\)
Answer:D
Magnetic field at any point at a distance R due to a long straight conductor carrying current varies is
A. R2 B. R C. \(\frac{1}{R^{2}}\) D. \(\frac{1}{R}\)