20%) Problem 4: A single-turn rectangular wire loop has a resistance equal to 1.8 2 and ne dimensions shown in the drawing. The magnetic field at all points inside the loop varies ccording to B = Boe at, where Bo = 0.25 T and a = 200 s¹ To X X ^ X art (a) What is the magnitude, in amperes, of the current induced in the loop at t = 1.0 ms? I₁0.02668 X Incorrect! X (b) What is the magnitude, in amperes, of the current induced in the loop at t = 20.0 ms? 68*10-31 x X X X X X x X 5.0 cm X x x X X X X X X X X 2.0 cm X B X

University Physics Volume 2
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Chapter13: Electromagnetic Induction
Section: Chapter Questions
Problem 64AP: A metal bar of mass 500 g slides outward at a constant speed of 1.5 cm/s over two parallel rails...
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I have used Faradays Law and Ohms Law to solve part a and part b but cannot seem to get the right answer :( I first used:

then

then

Part a is 0.0227 but i get 0.026.

(20%) Problem 4: A single-turn rectangular wire loop has a resistance equal to 1.8 2 and
the dimensions shown in the drawing. The magnetic field at all points inside the loop varies
according to B = Boe t, where Bo= 0.25 T and a 200 st
-1
I₁=0.02668
D
X
I₂ = 6.8 * 10-3
X
A
X
art (a) What is the magnitude, in amperes, of the current induced in the loop at t = 1.0 ms?
X Incorrect!
X
(b) What is the magnitude, in amperes, of the current induced in the loop at t = 20.0 ms?
X
X
X
X
X
X
X
5.0 cm
X
x
X
x
X
X
X
x
X
X
2.0 cm
x
B
X
Transcribed Image Text:(20%) Problem 4: A single-turn rectangular wire loop has a resistance equal to 1.8 2 and the dimensions shown in the drawing. The magnetic field at all points inside the loop varies according to B = Boe t, where Bo= 0.25 T and a 200 st -1 I₁=0.02668 D X I₂ = 6.8 * 10-3 X A X art (a) What is the magnitude, in amperes, of the current induced in the loop at t = 1.0 ms? X Incorrect! X (b) What is the magnitude, in amperes, of the current induced in the loop at t = 20.0 ms? X X X X X X X 5.0 cm X x X x X X X x X X 2.0 cm x B X
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