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# Yes, halfway between the wires. Yes, 12 cm from the 5A wire. Yes, 7.7 cm from the 5A wire. No..

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A rectangular curl (0.20 m x 0.80 m) has 200 turns and is in a uniform attractive field of 0.30 T. On the off chance that the introduction of the loop is differed through every single conceivable position, the most extreme torque on the curl by attractive strengths is 0.080 N-m. What is the current in the loop?. 5.0 mA1.7 A8.3 mA1.0 A. . A round loop (span = 0.40 m) has 160 turns and is in a uniform attractive field. On the off chance that the introduction of
Transcripts
Slide 1

﻿Two long parallel wires 20 cm separated convey streams of 5A and 8A in the same bearing. Is there any point between the two wires where the attractive field is zero? Yes, halfway between the wires. Yes, 12 cm from the 5A wire. Yes, 7.7 cm from the 5A wire. No.

Slide 2

A rectangular curl (0.20 m x 0.80 m) has 200 turns and is in a uniform attractive field of 0.30 T. On the off chance that the introduction of the loop is differed through every single conceivable position, the most extreme torque on the curl by attractive strengths is 0.080 N-m. What is the current in the curl? 5.0 mA 1.7 A 8.3 mA 1.0 A

Slide 3

A round curl (range = 0.40 m) has 160 turns and is in a uniform attractive field. On the off chance that the introduction of the loop is differed through every conceivable position, the greatest torque on the curl by attractive powers is 0.16 N-m when the current in the loop is 4.0 mA. What is the size of the attractive field? 0.37 T 1.6 T 0.50 T 1.2 T

Slide 4

A high-voltage powerline 20 m over the ground conveys a current of 2000 A. What is the attractive field because of the current specifically underneath the powerline? ( µ 0 = 4 ∏ x 10 - 7 T-m/A) 20.0 µ T 35.0 µ T 14.0 mT 0.3 T

Slide 5

A superconducting solenoid is to be intended to create an attractive field of 10 T. On the off chance that the solenoid winding has 2000 turns/meter, what is the required current? ( µ 0 = 4 ∏ x 10 - 7 A-m/T) 1000 A 1990 A 3980 A 5000 A

Slide 6

An extraordinary measure of electrical vitality goes down the channel of a vast tornado consistently. Estimations taken in Oklahoma at a separation of 9 km from a substantial tornado demonstrated a practically steady attractive field of 1.5 x 10 - 8 T connected with the tornado. What was the normal current - going down the channel? ( µ 0 = 4 ∏ x 10 - 7 A-m/T) 150 A 250 A 350 A 500 A

Slide 7

Superconductors are equipped for conveying huge streams with no resistance. On the off chance that a superconducting wire is shaped into a solenoid of length 50 cm with 500 turns, what is the attractive field inside the solenoid when the current is 104 A? ( µ 0 = 4 ∏ x 10 - 7 A-m/T) 1.25 T 2.50 T 6.28 T 12.6 T

Slide 8

In a mass spectrometer, a particle will have a littler sweep for its roundabout way if its velocity is more noteworthy its mass is more prominent its charge is more noteworthy the attractive field is weaker

Slide 9

A current in a long, straight wire creates an attractive field, and these attractive field lines go out from the wire to endlessness roll in from boundlessness to the wire structure circles which go through the wire structure circles which circumvent the circle

Slide 10

Consider two long, straight parallel wires, each conveying a present I. On the off chance that the streams are streaming in inverse headings the two wires will draw in each other the two wires will repulse each other the two wires will apply a torque on each other neither one of the wires will apply a power on the other

Slide 11

When an attractive field causes a charged molecule to move in a round way, the main amount recorded beneath which the attractive power changes fundamentally as the molecule goes around is the molecule\'s vitality energy span for the circle time to circumvent the circle once

Slide 12

A superconducting wire conveys a current of 10 4 A. Locate the attractive field at a separation of 1.0 m from the wire. ( µ 0 = 4 ∏ x 10 - 7 A-m/T) 2.0 x 10 - 3 T 8.0 x 10 - 3 T 1.6 x 10 - 2 T 3.2 x 10 - 2 T

Slide 13

There is a present I streaming in a clockwise course in a square circle of wire that is in the plane of the paper. On the off chance that the attractive field B is toward the privilege, and if every side of the circle has length L, then the net attractive torque following up on the circle is 2ILB ILB IBL 2 zero

Slide 14

A galvanometer can be utilized to make either an ammeter or a voltmeter. Under which condition will the diversion of the needle be most prominent when a little current courses through the gadget? the current experiences the first galvanometer. the current experiences the voltmeter. the voltmeter and the first galvanometer will give the same avoidance if the current is the same. the current experiences the ammeter.

Slide 15

There is a present I streaming in a clockwise course in a square circle of wire that is in the plane of the paper. On the off chance that the attractive field B is toward the privilege, and if every side of the circle has length L, then the net attractive power following up on the circle is 2ILB ILB IBL 2 zero

Slide 16

An electron which moves with a velocity of 3 x 10 4 m/s opposite to a uniform attractive field of 0.40 T encounters a power of what greatness? (q e = 1.6 x 10 - 19 C) 4.8 x 10 - 14 N 19.2 x 10 - 16 N 2.2 x 10 - 24 N zero

Slide 17

A 2.0 m wire fragment conveying a current of 0.60 An arranged parallel to a uniform attractive field of 0.50 T encounters a power of what size? 6.7 N 0.30 N 0.15 N zero

Slide 18

A proton moving with a pace of 3 x 10 5 m/s opposite to a uniform attractive field of 0.20 T will take after which of the ways depicted underneath? (q e = 1.6 x 10 - 19 C and m p = 1.67 x 10 - 27 kg) a straight line way a roundabout way of 1.5 cm sweep a round way of 3.0 cm range a roundabout way of 0.75 cm span

Slide 19

If a deuteron, with the same charge yet double the mass of a proton, were to move with a velocity of 3 x 10 5 m/s opposite to a uniform attractive field of 0.20 T, it would take after which of the ways portrayed underneath? (q p = 1.6 x 10 - 19 C and m d = 3.34 x 10 - 27 kg) a straight line way a round way of 1.5 cm range a roundabout way of 3.0 cm span a round way of 0.75 cm sweep

Slide 20

If a proton is discharged at the equator and falls toward the Earth affected by gravity, the attractive power on the proton will be toward the north south east west

Slide 21

A stationary positive charge +Q, situated in an attractive field B, which is coordinated toward the all right. The heading of the attractive power on Q is toward the right up down there is no attractive power

Slide 22

A wire is lying evenly in the north-south bearing and the flat attractive field is toward the east. There are some positive charges in the wire moving north and equivalent number of negative charges moving south. The heading of the power on the wire will be east down, into the page up, out of the page there is no attractive power

Slide 23

There is an attractive power on a molecule. It is conceivable that the molecule is uncharged stationary moving toward the attractive field not part of a wire

Slide 24

Electrical charges and attractive posts have numerous likenesses. Notwithstanding, one contrast between the two is that inverse attractive posts repulse one attractive shaft can\'t make attractive shafts in different materials an attractive post can\'t be segregated attractive shafts don\'t create attractive fields

Slide 25

Two separately ionized isotopes, X and Y, of the same component move with the same velocity opposite to a uniform attractive field. Isotope X takes after a way of sweep 3.35 cm while isotope Y moves along a 3.43 cm span way. What is the proportion of the two isotope masses, m X/m Y ? 0.977 1.023 1.048 0.954

Slide 26

A 10 ohm, 25 mA galvanometer is to be changed over into an ammeter which peruses 5 An at a full scale redirection. What resistance ought to be put in parallel with the galvanometer loop? 2.5 ohms 0.5 ohms 0.25 ohms 0.05 ohms

Slide 27

A proton which moves opposite to an attractive field of 1.2 T in a round way of 0.08 m span, has what speed? (q p = 1.6 x 10 - 19 C and m p = 1.67 x 10 - 27 kg) 3.4 x 10 6 m/s 4.6 x 10 6 m/s 9.6 x 10 6 m/s 9.2 x 10 6 m/s

Slide 28

A 10 ohm, 25 mA galvanometer is to be changed over into a voltmeter which peruses 20 V at full scale avoidance. What resistance ought to be set in arrangement with the galvanometer loop? 810 ohms 790 ohms 500 ohms 450 ohms

Slide 29

A 10 ohm, 15 mA galvanometer is changed over into an ammeter by putting a 1.5 x 10 - 2 ohm shunt in parallel with the galvanometer loop. What is the most extreme scale perusing on the galvanometer? 25.0 A 15.0 A 10.0 A 5.0 A

Slide 30

A round circle conveying a current of 2.0 An is situated in an attractive field of 3.5 T. The circle has a region of 0.12 m 2 and is mounted on a pivot, opposite to the attractive field, which permits the circle to turn. In the event that the plane of the circle is arranged parallel to the field, what torque is made by the communication of the circle current and the field? 58 N-m 6.8 N-m 0.84 N-m 0.17 N-m

Slide 31

A roundabout circle conveying a current of 2.0 An is arranged in an attractive field of 3.5 T. The circle has a range of 0.12 m 2 and is mounted on a pivot, opposite to the attractive field, which permits the circle to turn. What is the torque on the circle when its plane is arranged at a 37 ° point to the field? 46.0 N-m 0.67 N-m 0.51 N-m 0.10 N-m

Slide 32

An even wire of length 3.0 m conveys a current of 6.0 An and is arranged so that the present heading is 50 ° S of W. The even part of the world\'s attractive field is expected north now and has a quality of 0.14 x 10 - 4 T. What is the heading of the power on the wire? out of the world\'s surface toward the world\'s surface due east 40 ° S of E

Slide 33

A current conveying wire of length 50 cm is situated opposite to a uniform attractive field. In the event that the current is 10.0 An and it is resolved that there is a resultant power of 3.0 N on the wire because of the connection of the current and field, what is the attractive field quality? 0.6 T 1.50 T 1.85 x 10 3 T 6.7 x 10 3 T

Slide 34

A flat wire of length 3.0 m conveys a current of 6.0 An and is arranged so that the present bearing is 50 ° S of W. The even segment of the world\'s attractive field is expected north now and has a quality of 0.14 x 10 - 4 T. What is the span of the power on the wire? 0.28 x 10 - 4 N 2.5 x 10 - 4 N 1.9 x 10 - 4 N 1.6 x 10 - 4 N

Slide 35

An electron moves over the world\'s equator at a rate o

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