A long solenoid has length L, average diameter D and n layer of turns. Each layer contains N turns.If current flowing through the solenoid is i the value of magnetic field at the centre_____________
A. Proportional to D
B. Inversely proportional to D
C. Does not depend on D
D. Proportional to L
Answer:C
A long solenoid has length L, average diameter D and n layer of turns. Each layer contains N turns.If current flowing through the solenoid is i the value of magnetic field at the centre_____________
A. Proportional to D B. Inversely proportional to D C. Does not depend on D D. Proportional to L