I'm working on some homework and am stumped with this problem. Help would be great, thanks! A 1.70 m bar moves through a uniform, 1.20 T magneticfield with a speed of 3.00 m/s.FigureOy·●R15X1 of 3>Part AFor (Figure 1), find the emf induced between the ends of the bar.Express your answer in volts.VE ΑΣΦε =SubmitPart BnoneWhich end of this bar, if either, is at the higher potential?RLRequest AnswerSubmit?Request AnswerV A 1.70 m bar moves through a uniform, 1.20 T magneticfield with a speed of 3.00 m/s.Figure0yLOR2 of 3Part CFor (Figure 2), find the emf induced between the ends of the bar.Express your answer in volts.17 ΑΣΦE =SubmitPart DnoneWhich end of this bar, if either, is at the higher potential?RRequest AnswerSubmit?Request AnswerV

Answered: Image /qna-images/answer/ff759dad-c269-43f4-8a38-73047779e508.jpg

▼ Part A For (Figure 1), find the emf induced between the ends of the bar. Express your answer in volts. E = Submit ▾ Part B ΠΙ ΑΣΦ none OR OL Which end of this bar, if either, is at the higher potential? Submit Request Answer ? Request Answer V

▼ Part A For (Figure 1), find the emf induced between the ends of the bar. Express your answer in volts. E = Submit ▾ Part B ΠΙ ΑΣΦ none OR OL Which end of this bar, if either, is at the higher potential? Submit Request Answer ? Request Answer V

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter25: Electromagnetic Induction

Section25.1: Electric Current From Changing Magnetic Fields

Problem 3PP

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Concept explainers

Voltage Across Inductor

An actor is a passive electrical component that consists of a coil bent in the form of wire which uses electromagnetism to produce electric current through the coil. When the electric current flows through a conductor that is the coil, a magnetic flux is developed around the conductor. This flow of current through the coil creates a magnetic field based on Fleming's Right-hand thumb rule. If there is any decrease in the current passing through the inductor, then the magnetic field will also decrease and energy is released through the generation of electric current. There is also a secondary voltage inducing in the same coil due to the magnetic flux, since it opposes any changes in the electric current flowing through the circuit. An inductor is also called choke, coil, or solenoid. A choke is designed to block certain frequencies when the DC current passes. A winding coil is coated with insulation to give extra insulation and protect the circuit. They are usually tightly wrapped around a central core which is cylindrical in nature so that the magnetic flux can be induced. The solenoid is a three-dimension coil that is used to exhibit electromagnetism when the magnetic field is developed due to the current flowing through the coil. The sign convention of the inductor is the same as the power dissipating device. When the current flows into the positive side of the voltage across the inductor, the value is positive and the inductor dissipates power whereas when the inductor releases the power back to the circuit, the current has a negative sign convention. 

Question

I'm working on some homework and am stumped with this problem. Help would be great, thanks!

A 1.70 m bar moves through a uniform, 1.20 T magnetic
field with a speed of 3.00 m/s.
Figure
O
y
·
●
R
15
X
1 of 3
>
Part A
For (Figure 1), find the emf induced between the ends of the bar.
Express your answer in volts.
VE ΑΣΦ
ε =
Submit
Part B
none
Which end of this bar, if either, is at the higher potential?
R
L
Request Answer
Submit
?
Request Answer
V

A 1.70 m bar moves through a uniform, 1.20 T magnetic
field with a speed of 3.00 m/s.
Figure
0
y
LOR
2 of 3
Part C
For (Figure 2), find the emf induced between the ends of the bar.
Express your answer in volts.
17 ΑΣΦ
E =
Submit
Part D
none
Which end of this bar, if either, is at the higher potential?
R
Request Answer
Submit
?
Request Answer
V

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