The wire in a solenoid of 250 turns has a resistance of 3 \Omega. (a) How much is the current when the coil is connected to a 6-V battery? (b) Calculate the ampere-turns of mmf.
Question 11.3: The wire in a solenoid of 250 turns has a resistance of 3 Ω....
a. I=\frac{V}{R}=\frac{6 V}{3\Omega} =2A
b. mmf=I\times N=2A\times 250t =500 A.t
Related Answered Questions
mmf=I\times N=2000\times 5\times 10^{-3} ...
N=\frac{A.t}{I}=\frac{600}{4} =150 turns[...