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The figure shows a coil entering a region (inside the dashed rectangle) where the magnetic field...
Part A A coil lies flat on a tabletop in a region where the magnetic field...
Part A A coil lies flat on a tabletop in a region where the magnetic field vector points straight up. The magnetic field vanishes suddenly. When viewed from above, what is the sense of the induced current in this coil as the field fades? a.) The induced current flows clockwise. b.) The induced current flows counterclockwise. c.) There is no induced current in this coil. d.) The current flows clockwise initially, and then it flows counterclockwise before stopping.
I just need the last part h) Please show all your work. I'll rate. Thank you...
I just need the last part h) Please show all your work. I'll
rate. Thank you in advance!
Physics 1122 Quiz 4E – Exp. 7 October 22 - 24, 2019 DIRECTIONS: Work the problem. You must show all work to receive credit, and you must return this sheet. The problem is worth 20 points. If you have to construct a graph, use the graph paper provided in the laboratory. Solve the problem using only symbolic algebra and then report numerical...
Part A In a region of space, a magnetic field points in the +x-direction (toward the...
Part A In a region of space, a magnetic field points in the +x-direction (toward the right). Its magnitude varies with position according to the formula B = Bo + bx, where Bo and b are positive constants, for 3 > 0. A flat coil of area A moves with uniform speed v from right to left with the plane of its area always perpendicular to this field. What is the emf induced in this coil while it is to...
A rectangular frame sits in a magnetic field as shown. The magnetic field above the dashed...
A rectangular frame sits in a magnetic field as shown. The magnetic field above the dashed line is uniform while the magnetic field below the dashed line is zero. The magnitude of the magnetic field varies at a constant rate from 4Bo to 6Bo in a time 8To, The resistance of the frame is R. What is the current induced in the frame during this time? 2counterclockwise 2T,R o 15W2Bo clockwise. O 5W2 Bo clockwise 2T.R 으 clockwise. ST,R o...
A generator almost always contains a coil of wire inside a magnetic field. The coil shown...
A generator almost always contains a coil of wire inside a magnetic field. The coil shown below has N turns and a radius of R. It is rotating in a magnetic field of strength B at an angular frequency o. This means that the angle between the area vector of the coil and the magnetic field is = wt. х a. What is the induced emf in the coil as a function of time? b. If the left side of...
The figure shows a region of uniform magnetic field directed into the page, surrounded by regions...
The figure shows a region of uniform magnetic field directed
into the page, surrounded by regions where the magnetic field is
zero. A square coil of wire is moving to the right across the
figure in snapshots.
When the coil is moving out of the
region of non-zero magnetic field.
a) On the figure, draw the direction of the induced current in
the wire loop. If there is no induced current, explicitly state
that.
b) Draw the direction of the...
Loop in B A magnetic field is uniform in strength and points into the page. The...
Loop in B A magnetic field is uniform in strength and points into the page. The field is confined to a limited region. A rectangular loop is puilled through the field at a constant speed such that it is perpendicular to the field.What is the direction of the current induced in the loop as it enters the field? going from B-0 to not 0) ??: in A. There is no current Counter clockwise C. Clockwise Loop in B VX xxx...
An alternating current drives a solenoid so that the magnetic field inside obeys the equation B(t)=Bmax(sin(2ft),...
An
alternating current drives a solenoid so that the magnetic field
inside obeys the equation B(t)=Bmax(sin(2ft),
where Bmax=.03 T and f= 50Hz. a.)How much EMF is generated in the
solenoid at time t=0? b.) If positive B(t) indicates magnetic field
out of the page, what is the direction of induced EMF in the
solenoid at time t=0, clockwise or counterclockwise?
A charged particle is moving in a uniform, constant magnetic field. Which one of the following...
A charged particle is moving in a uniform, constant magnetic field. Which one of the following statements concerning the magnetic force exerted on the particle is false It does no work on the particle. It increases the speed of the particle. It changes the velocity of the particle. It can act only on a particle in motion. It does not change the kinetic energy of the particle. A circular current loop with radius of 0.100 m is located in the...
1. A 85 turn elastic circular coil of wire initially has a radius of 74.2 cm...
1. A 85 turn elastic circular coil of wire initially has a radius of 74.2 cm and is immersed in a uniform magnetic field with a strength of 0.495 T. At t 0, the coil is released and begins decreasing in radius at a constant rate of 7.22 cm/s. While it contracts, the number of turns does not change. a) Write the magnetic flux through a single turn of the coil as a function of time. (Hint: What causes the...
I just need the last part h) Please show all your work. I'll
rate. Thank you in advance!
Physics 1122 Quiz 4E – Exp. 7 October 22 - 24, 2019 DIRECTIONS: Work the problem. You must show all work to receive credit, and you must return this sheet. The problem is worth 20 points. If you have to construct a graph, use the graph paper provided in the laboratory. Solve the problem using only symbolic algebra and then report numerical...
Part A In a region of space, a magnetic field points in the +x-direction (toward the right). Its magnitude varies with position according to the formula B = Bo + bx, where Bo and b are positive constants, for 3 > 0. A flat coil of area A moves with uniform speed v from right to left with the plane of its area always perpendicular to this field. What is the emf induced in this coil while it is to...
A rectangular frame sits in a magnetic field as shown. The magnetic field above the dashed line is uniform while the magnetic field below the dashed line is zero. The magnitude of the magnetic field varies at a constant rate from 4Bo to 6Bo in a time 8To, The resistance of the frame is R. What is the current induced in the frame during this time? 2counterclockwise 2T,R o 15W2Bo clockwise. O 5W2 Bo clockwise 2T.R 으 clockwise. ST,R o...
A generator almost always contains a coil of wire inside a magnetic field. The coil shown below has N turns and a radius of R. It is rotating in a magnetic field of strength B at an angular frequency o. This means that the angle between the area vector of the coil and the magnetic field is = wt. х a. What is the induced emf in the coil as a function of time? b. If the left side of...
The figure shows a region of uniform magnetic field directed
into the page, surrounded by regions where the magnetic field is
zero. A square coil of wire is moving to the right across the
figure in snapshots.
When the coil is moving out of the
region of non-zero magnetic field.
a) On the figure, draw the direction of the induced current in
the wire loop. If there is no induced current, explicitly state
that.
b) Draw the direction of the...
Loop in B A magnetic field is uniform in strength and points into the page. The field is confined to a limited region. A rectangular loop is puilled through the field at a constant speed such that it is perpendicular to the field.What is the direction of the current induced in the loop as it enters the field? going from B-0 to not 0) ??: in A. There is no current Counter clockwise C. Clockwise Loop in B VX xxx...
An
alternating current drives a solenoid so that the magnetic field
inside obeys the equation B(t)=Bmax(sin(2ft),
where Bmax=.03 T and f= 50Hz. a.)How much EMF is generated in the
solenoid at time t=0? b.) If positive B(t) indicates magnetic field
out of the page, what is the direction of induced EMF in the
solenoid at time t=0, clockwise or counterclockwise?
A charged particle is moving in a uniform, constant magnetic field. Which one of the following statements concerning the magnetic force exerted on the particle is false It does no work on the particle. It increases the speed of the particle. It changes the velocity of the particle. It can act only on a particle in motion. It does not change the kinetic energy of the particle. A circular current loop with radius of 0.100 m is located in the...
1. A 85 turn elastic circular coil of wire initially has a radius of 74.2 cm and is immersed in a uniform magnetic field with a strength of 0.495 T. At t 0, the coil is released and begins decreasing in radius at a constant rate of 7.22 cm/s. While it contracts, the number of turns does not change. a) Write the magnetic flux through a single turn of the coil as a function of time. (Hint: What causes the...
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