Problem 29.13

The magnetic flux through each loop of a 75-loop coil is given by (8.8t -0.51t³) x 10-2T m², where the time t is in

seconds.

Part A

Determine the emf as a function of time.

Express all the numbers using two significant figures. Express your answer in terms of the variable t.

ANSWER:

E(t) =

V/nPart B

What is & at t = 1.58?

Express your answer using two significant figures.

ANSWER:

8(1.5) =

V/nPart C

What is & at 3.1 s?

Express your answer using two significant figures.

ANSWER:

(3.1) =

V