A magnetic B field of strength 0.9 T is perpendicular to a loop with an area of 4 m². If the area of the loop isreduced to zero in 0.4 s, then what is the magnitude of the induced emf voltage?VSubmit AnswerTries 0/28The original B field penetrating the loop pointsthe page.8As the loop is pulled as indicated, the magnetic flux O penetrating the loopTherefore, the loop generates an induced B field that pointsthe page.O This induced B field is due to an induced current that flowsin the loop.

Given data The magnitude of the magnetic field is B = 0.9 T The area of the loop initially is A1 = 4…

A magnetic B field of strength 0.9 T is perpendicular to a loop with an area of 4 m². If the area of the loop is reduced to zero in 0.4 s, then what is the magnitude of the induced emf voltage? V Submit Answer Tries 0/2 8 The original B field penetrating the loop points the page. e As the loop is pulled as indicated, the magnetic flux 0 penetrating the loop e Therefore, the loop generates an induced B field that points the page. O This induced B field is due to an induced current that flows in the loop.

A magnetic B field of strength 0.9 T is perpendicular to a loop with an area of 4 m². If the area of the loop is reduced to zero in 0.4 s, then what is the magnitude of the induced emf voltage? V Submit Answer Tries 0/2 8 The original B field penetrating the loop points the page. e As the loop is pulled as indicated, the magnetic flux 0 penetrating the loop e Therefore, the loop generates an induced B field that points the page. O This induced B field is due to an induced current that flows in the loop.

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)...

See similar textbooks

Similar questions

The component of the external magnetic field along the central axis of a 78 turn circular coil of radius 32.0 cm decreases from 2.40 T to 0.100 T in 2.00 s. If the resistance of the coil is R=3.00 Ω, what is the magnitude of the induced current in the coil? magnitude: A What is the direction of the current if the axial component of the field points away from the viewer?
The component of the external magnetic field along the central axis of a 33 turn circular coil of radius 27.0 cm decreases from 1.90 T to 0.400 T in 2.90 s. If the resistance of the coil is R = 6.00 52, what is the magnitude of the induced current in the coil? magnitude: What is the direction of the current if the axial component of the field points away from the viewer? counter-clockwise O clockwise
A circular loop of wire lies in a plane perpendicular to a magnetic field. The magnetic field has a magnitude of 1.3 T and points out of the page as shown in the figure. The radius of the loop is 18 cm and it has a resistance of 3.2 Ω. Find the induced emf in the loop of wire if the magnetic field doubles in magnitude in 1 seconds. What is the induced current in the loop? In which direction is the induced current?
In the figure below, a metal bar sitting on 2 parallel conducting rails connected to each other by a resistor is pulled to the right at a constant speed. The resistance R=9 ohms, the distance between the rails is l=1.2m and a uniform 2.10T magnetic field is directed into the page. At what speed (m/s) should the bar be moved to produce a current of .500 A in the resistor?
A circular coil with radius 0.564 m has 50 turns of wire in it. The total resistance of the coil is R and it is sitting in a perpendicular magnetic field of 10 T. As the magnetic field is ramped to zero over a period of 2 s, a 5.0 A current is induced in the coil. What is R? Hig Ο 10 Ω 15 Ω 30 Ω
7
The figure shows a uniform magnetic field that is normal to the plane of the conducting loop of resistance R. Note: the area of the non- circular portion of the circuit is negligible compared to that of the loop. B 04 Which entry in the table below correctly pairs the change in the system with the direction of the induced current through R? change in the system direction of current through R decrease the area of the loop rotate loop into the paper decrease the magnitude of B increase the area of the loop pull loop to the right from top toward bottom no induced current from bottom toward top from bottom toward top from top toward bottom
You drop a magnet north pole side down from a height (h) into a loop of wire, inducing a current. Draw a graph showing how the induced current in the loop depends on time as the magnet falls through the loop. Does the magnitude of the induced current depend on h?
The generator in the figure uses a loop that rotates with a period T. Suppose the rotation rate (i.e. frequency) is increased so that the loop is made to rotate twice as fast. How will that affect the magnitude of the induced emf? Area - A J Horseshoe magnet N The magnitude of the induced emf will increase by a factor of two. O The magnitude of the induced emf will decrease by a factor of two The magnitude of the induced emf will increase by a factor of four. O The magnitude of the induced emf will decrease by a factor of four. O The magnitude of the induced emf will not change.
A 19-turn circular coil of wire has diameter 0.95 m. It is placed with its axis along the direction of the Earth's magnetic field of 44.0 μT and then in 0.200 s is flipped 180°. An average emf of what magnitude is generated in the coil? mV Need Help? Read It Watch It