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Physics 132 Spring 2008: Magnetic Field Questions - Prof. David Collins, Quizzes of Physics

Several questions related to the behavior of loops in magnetic fields. The questions cover topics such as the rank of fluxes through loops, the direction of the force exerted by a magnetic field on a loop, and the current in a loop passing through a magnetic field. Students of physics 132 in spring 2008 would find these questions useful for exam preparation.

Typology: Quizzes

Pre 2010

Uploaded on 08/18/2009

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7 April 2008 Phys 132 Spring 2008
Question 1
Several loops are placed in a uniform
magnetic field (restricted to shaded region)
as illustrated.
⊗⊗⊗⊗⊗⊗⊗⊗⊗
⊗⊗⊗⊗⊗⊗⊗⊗⊗
⊗⊗⊗⊗⊗⊗⊗⊗⊗
⊗⊗⊗⊗⊗⊗⊗⊗⊗
⊗⊗⊗⊗⊗⊗⊗⊗⊗
⊗⊗⊗⊗⊗⊗⊗⊗⊗
Loop A Loop B Loop C
Which of the following represents the rank of
the fluxes through the loop?
1. ΦA= ΦB= ΦC
2. ΦA<ΦB<ΦC
3. ΦA<ΦC<ΦB
4. ΦC<ΦA<ΦB
5. ΦC= ΦA<ΦB
Typeset by FoilT
E
X 1
pf3
pf4
pf5

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Download Physics 132 Spring 2008: Magnetic Field Questions - Prof. David Collins and more Quizzes Physics in PDF only on Docsity!

Phys 132 Spring 2008

Question 1

Several

loops

are

placed

in

a

uniform

as illustrated.magnetic field (restricted to shaded region)

Loop A

Loop B

Loop C

the fluxes through the loop? Which of the following represents the rank of

A

B

C

Φ A < Φ B < Φ C

Φ A < Φ C < Φ B

Φ C < Φ A < Φ B

C

A

B

TEX

Phys 132 Spring 2008

Question 2

magnetic A loop passes through a region of constant

field

at

a

constant

speed

as

illustrated.

current in the loop is: At the instant depicted in the illustration the

  1. None of the above/not enough info.3. Zero2. Clockwise1. Counter-clockwise

TEX

Phys 132 Spring 2008

Question 4

an A loop is held stationary in the vicinity of

electromagnetic.

The

electromagnetic

over a period ofis initially off and is then turned on and,

s it produces a uniform

magnetic field as illustrated.

During the first

s after the electromagnet

is turned on, the current in the loop is:

  1. None of the above/not enough info.3. Zero2. Clockwise1. Counter-clockwise

TEX

Phys 132 Spring 2008

Question 5

constant magnetic field as illustrated. A loop is pulled through out of a region of

⊗ ⊗ ⊗ ⊗ ⊗ ⊗ b

by the magnetic field on the loop. Determine the direction of the force exerted

  1. Into the page.

TEX