The total magnetic flux linked with the solenoid area A, length l, having N turns and a current I flows is given by:
A. Φ = \(\frac{\mathrm{N}^{2} \mathrm{IA}}{l}\)
B. Φ = \(\frac{\mu_{0} \mathrm{~N}^{2} \mathrm{IA}}{l}\)
C. Φ = \(\frac{\mu_{0} \mathrm{NA}}{\mathrm{Il}}\)
D. Φ = \(\frac{\mu_{0} \mathrm{IA}}{\mathrm{N}^{2} l}\)
Answer:B
The total magnetic flux linked with the solenoid area A, length l, having N turns and a current I flows is given by:
A. Φ = \(\frac{\mathrm{N}^{2} \mathrm{IA}}{l}\) B. Φ = \(\frac{\mu_{0} \mathrm{~N}^{2} \mathrm{IA}}{l}\) C. Φ = \(\frac{\mu_{0} \mathrm{NA}}{\mathrm{Il}}\) D. Φ = \(\frac{\mu_{0} \mathrm{IA}}{\mathrm{N}^{2} l}\)