An infinite straight wire carries a current I that varies with time as shownabove. It increases from 0 at t = 0 to a maximum value l1 = 4.3 A at t = t1= 18 s, remains constant at this value until t= t2 when it decreaseslinearly to a value l4 = -4.3 A at t = t4 = 30 s, passing through zero at t = t3= 26.5 s. A conducting loop with sides W = 20 cm and L = 60 cm is fixedin the x-y plane at a distance d = 39 cm from the wire as shown.I,I(t)d1) What is the magnitude of the magnetic flux o through the loop at time t= t1 = 18 s?T-m2 Submit2) What is ɛ1, the induced emf in the loop at time t = 9 s? Define the emfto be positive if the induced current in the loop is clockwise and negativeif the current is counter-clockwise.v Submit3) What is ɛ2, the induced emf in the loop at time t = 20 s? Define the emfto be positive if the induced current in the loop is clockwise and negativeif the current is counter-clockwise.Submit4) What is the direction of the induced current in the loop at time t = t3 =26.5 seconds?O ClockwiseO CounterclockwiseO There is no induced current at t= t3Submit+5) What is ɛ4, the induced emf in the loop at time t = 28.25 s? Define theemf to be positive if the induced current in the loop is clockwise andnegative if the current is counter-clockwise.V Submit

Answered: Image /qna-images/answer/f23d1f19-a851-4232-b527-d045afb7852a.jpg

An infinite straight wire carries a current I that varies with time as shown above. It increases from 0 at t 0 to a maximum value l1 = 4.3 A at t = t1 = 18 s, remains constant at this value until t = t, when it decreases linearly to a value l4 = -4.3 A at t = t4 = 30 s, passing through zero at t = t3 = 26.5 s. A conducting loop with sides W = 20 cm and L = 60 cm is fixed in the x-y plane at a distance d = 39 cm from the wire as shown. I(t) W d 1) What is the magnitude of the magnetic flux O through the loop at time t = t1 = 18 s?

An infinite straight wire carries a current I that varies with time as shown above. It increases from 0 at t 0 to a maximum value l1 = 4.3 A at t = t1 = 18 s, remains constant at this value until t = t, when it decreases linearly to a value l4 = -4.3 A at t = t4 = 30 s, passing through zero at t = t3 = 26.5 s. A conducting loop with sides W = 20 cm and L = 60 cm is fixed in the x-y plane at a distance d = 39 cm from the wire as shown. I(t) W d 1) What is the magnitude of the magnetic flux O through the loop at time t = t1 = 18 s?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Electromagnets

The word "electromagnet" is composed of two words, ‘electro’ and ‘magnet’. It is a type of magnet in which an electric current helps in the generation of a magnetic field. Electromagnets usually consist of two major parts, wire and a coil around which the wire is wound. This is called a solenoid. When an electric current is allowed to pass through the coiled wire, the electric current produces a magnetic field. This magnetic field is present only when current is passing through the wire.

Question

100%

An infinite straight wire carries a current I that varies with time as shown
above. It increases from 0 at t = 0 to a maximum value l1 = 4.3 A at t = t1
= 18 s, remains constant at this value until t= t2 when it decreases
linearly to a value l4 = -4.3 A at t = t4 = 30 s, passing through zero at t = t3
= 26.5 s. A conducting loop with sides W = 20 cm and L = 60 cm is fixed
in the x-y plane at a distance d = 39 cm from the wire as shown.
I,
I(t)
d
1) What is the magnitude of the magnetic flux o through the loop at time t
= t1 = 18 s?
T-m2 Submit
2) What is ɛ1, the induced emf in the loop at time t = 9 s? Define the emf
to be positive if the induced current in the loop is clockwise and negative
if the current is counter-clockwise.
v Submit
3) What is ɛ2, the induced emf in the loop at time t = 20 s? Define the emf
to be positive if the induced current in the loop is clockwise and negative
if the current is counter-clockwise.
Submit
4) What is the direction of the induced current in the loop at time t = t3 =
26.5 seconds?
O Clockwise
O Counterclockwise
O There is no induced current at t= t3
Submit
+
5) What is ɛ4, the induced emf in the loop at time t = 28.25 s? Define the
emf to be positive if the induced current in the loop is clockwise and
negative if the current is counter-clockwise.
V Submit

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