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Repeat Exercise $22.41,$ but with the loop lying flat on the ground with its current circulating counterclockwise (when viewed from above) in a location where the Earth's field is north, but at an angle $45.0^{\circ}$ below the horizontal and with a strength of $6.00 \times 10^{-5} \mathrm{T}$

Part $(a) :$ The torque on the loop is 0.666 $\mathrm{N}$ .mPart $(\mathrm{b}) :$ The torque is very small so the loop will not have any practical applications as a motor.

Physics 102 Electricity and Magnetism

Chapter 22

Magnetism

Magnetic Field and Magnetic Forces

Sources of Magnetic field

Electromagnetic Induction

Inductance

Simon Fraser University

Hope College

McMaster University

Lectures

08:42

In physics, a magnetic fie…

04:28

A magnetic field is a math…

02:24

Near the Earth's pole…

01:35

02:54

Design a current loop that…

01:47

A 100-turn square wire coi…

03:30

The magnitude of the Earth…

06:19

(II) A circular coil 18.0 …

(II) A circular coil 12.0 …

02:58

Find the flux of Earth…

02:25

(a) $\mathrm{A} 200$ -turn…

02:12

What current is needed in …

03:02

(II) A circular coil 16.0 …

09:02

An emf is induced by rotat…

04:41

(II) A long horizontal wir…

03:39

A horizontal power line of…

01:57

A flat loop of wire consis…

10:27

01:40

The magnetic field $B$ at …

05:37

A horizontal power line ca…

03:05

At the equator, near the s…

03:29

What is the peak emf gener…

So for this problem, we should refer toe previous problem in this case, everyone. The coil is standing Where Dick? Really? But it has the same properties. So I have to call you, which has 200 uh, loops and radios off each room is, um, 0.5 meter. And we know that current flowing counter coke weiss in each individual individual is my 100 here. And unlike previous Problem s O, the first distinction is loopy, standing up vertically, vertically, and the magnetic filth direction it's rather direction has changed. So mimetic failed, which is six. The magnetic field, which is 6 10 lines found dead slow, uh, his the angle between vertical trying, 45 degrees so and still it is directed to the north. So this is the North. So what is direction is the north. But, you know, it has also angle between the vertical late light. So let's think this picture is already over loaded. So let's go. Just wine. We have occurring on DDE. This is, uh, the normal direction. So if we use the right and rolled into irritate four fingers, your direction off, uh, the current in the Somme would show the direction off. You know, we treated to consider in orderto couple E at the talk or the dimension off the top. And we hear this magnetic field, which is going down with a new angle off. Well, angle between thes normal and the magnetic field would be 100 35 degrees. Because these these angle is 45. The single was 40 for and no, what kind of find what is the direction? Off talk and talking is going into the plane. So in other words, it is going toe east. If you consider the right direction is, uh, the North, then it is the West. So this talk is directed to the rest, but and it is tryingto What does it mean if they talk? Has it the direction it means that it tries to rotate these luke or coil a round direction. So there you direction off. The possible quotation is thes and we can can find what is, uh, talk? What is numerical value off it? So first we need a number of groups, then the current and area off each individual individual Luke P. R. Squared, then the magnetic field and angle between romantic filled and the normal vector, which is 100 35 to Greece. And these becomes, uh, 66 Newton Meter and you eat. The question is, if this device could be used as a as a motor, the rise so basically motor device, where is a loop in a magnetic field which has a potential to rotate around its axis. So this way we we will get a mechanical motion rotation, mechanical energy, and this way we can like movie car or I any other deer eyes. So maybe eloquent so or something like this, uh, and way know that we can know that this miss took these really so so wouldn't be sufficient tow, tow any reasonable work with this amount off talk.

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