Class I Help Assignment 4 Begin Date: 2/24/2018 4:00:00 PM -- Due Date: 3/23/201

Question

Class I Help Assignment 4 Begin Date: 2/24/2018 4:00:00 PM -- Due Date: 3/23/2018 11:59:00 PM End Date: 3/25/2018 11:59:00 PM (8%) Problem 12: A solenoid is producing a magnetic field of B-8.5 x 10-3 TIt has N = 1800 turns uniformly over a length of d 0.75m. Randomized Variables B 8.5 x 103 T N = 1800 turns d 075 m 50% Part (a) Express the current 1 in terms of B, N and d Grade Summary 100% Attempts remaining: (2% per attempt detailed view give up! Hints: deduction per hint. Hint8 remaining: Feedback: etion per feedback 50% Part (b) Calculate the numerical value of I in amps

Explanation / Answer

Part A.

Magnetic field inside solenoid is given by

B = u0*n*i

B = u0*N*i/d

i = B*d/(u0*N)

Part B

i = 8.5*10^-3*0.75/(4*pi*10^-7*1800)

i = 2.82 Amp.

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