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An open plastic soda bottle with an opening diameter of 2.8 cm is placed on a table. A uniform 1.55-{\rm T} magnetic field directed upward and oriented 20^\circ from vertical encompasses the bottle. What is the total magnetic flux through the plastic of the soda bottle?

Express your answer using two significant figures. (φ= ? Wb)

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Supratim Pal
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30 Sep 2020

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

 
 

uploaded imageThe figure is an edge-on view of a 14 cm diameter circular loop rotating in a uniform 3.8×10-2 T magnetic field. I solved part a by using

 φ= B A cos θ = Bπr2 cosθ = (3.8 x 10-2) π (.07)2cos (0 degrees)= 5.8 x 10-4 Wb and got correct answer, 

but having trouble finding the right answer for part B.  I used the same equation for part B and used cos (30)= got the wrong answer.  Is there another equation for finding the answer with the other angles?

Part A  What is the magnetic flux through the loop when is 0 degrees?

Express your answer to two significant figures and include the appropriate units.
=5.8×10−4 Wb
Correct

Part B  What is the magnetic flux through the loop when is 30 degrees?
Express your answer to two significant figures and include the appropriate units.
=

Part C
What is the magnetic flux through the loop when is 60 degrees?
Express your answer to two significant figures and include the appropriate units.
=

Part D  What is the magnetic flux through the loop when is 90 degrees?
Express your answer to two significant figures and include the appropriate units

A uniform rectangular coil of total mass 270 g and dimensions 0.500m×1.00m is oriented parallel to a uniform 3.70-T magnetic field (Figure 1). A current of 2.00 A is suddenly started in the coil.

Find the initial angular acceleration of the coil just after the current is started. Express your answer using two significant figures.

 

A 250 g, 25 cm-diameter plastic disk is spun on an axle through its center by an electric motor. What torque must the motor supply to take the disk from 0 to 1600 rpm in 4.8 s? Express your answer using two significant figures. 

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