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Part A In a region of space, a magnetic field points in the +x-direction (toward the...
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.
What is the direction of the induced magnetic field in the coil when the bar magnet is moving...
A coil is suspended around an axis which is colinear with the axis of a bar magnet.The coil is connected to a resistor with ends labeled “a” and “b”. The bar magnet moves from left to right with North and South poles labeled as in the figure. UseLenz’s law to answer the following question concerning the direction of induced currents and magnetic fields.What is the direction of the induced magnetic field in the coil when the bar magnet ismoving from...
A circular loop in the plane of a paper lies in a 0.45 T magnetic field...
A circular loop in the plane of a paper lies in a 0.45 T magnetic field pointing into the paper. The loop's diameter changes from 21.0 cm to 6.2 cmin 0.54 s . Part A What is the direction of the induced current? (clockwise or counterclockwise) Part B What is the magnitude of the average induced emf? Express your answer to two significant figures and include the appropriate units. | E_avg| = ? Part C What is the average induced...
ΓarA A toroidal solenoid has 600 turns, cross-sectional area 6.90 cm", and mean radius 4.50 cm....
ΓarA A toroidal solenoid has 600 turns, cross-sectional area 6.90 cm", and mean radius 4.50 cm. Calculate the coil's self-Inductance. Express your answer in henries. IVO AXO L = H Submit Request Answer Part B If the current decreases uniformly from 5.00 A to 2.00 A in 3.00 ms, calculate the self-induced emf in the coil. Express your answer in volts. GAS ? V Submit Request Answer Part C The current is directed from terminal a of the coil to...
The figure shows a coil entering a region (inside the dashed rectangle) where the magnetic field...
The figure shows a coil entering a region (inside the dashed rectangle) where the magnetic field B is constant. Assume B is out of the page, The maximum emf induced in the 5.00 ohm coil as it enters the field is 0.435 V The coil is connected to a 7.50 ohm resistor a)Calculate the maximum current in the coil, (b) Does the magnetic flux increase or decrease as the coil enters the region? Explain your answer. (c) What is the...
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...
Review Part A A-10 nC point charge is located at 6.0 m, 0), and a -14...
Review Part A A-10 nC point charge is located at 6.0 m, 0), and a -14 nC point charge is located at (0,8 m). What is the magnitude of the net electric field at the origin? Express your answer with the appropriate units. ? HÅR E = Value O O Units Submit Request Answer Part B What is the direction of the net electric field at the origin? Find the angle measured from the positive r axis to the net...
The switch on the electromagnet, initially open, is closed. What is the direction of the induced...
The switch on the electromagnet, initially open, is closed. What is the direction of the induced current in the wire loop (as seen from the left)? There is no induced current The induced current is clockwise. The induced current is counterclockwise. Submit Request Answer In this problem, you will use Lenz's law to explore what happens when an electromagnet is activated a short distance from a wire loop. You will need to use the right-hand rule to find the direction...
A long straight wire carrying a current of 2.03 A moves with a constant speed v...
A long straight wire carrying a current of 2.03 A moves with a constant speed v to the right. A 120 turn circular coil of diameter 1.50 cm, and resistance of 3.25 u 2, lies stationary in the same plane as the straight wire. At some initial time the wire is to the left of the coil at a distance d = 13.0 cm from its center. 5.00 s later, the wire has moved to the right of the coil...
6) When the loop is entering the magnetic field, what will be the direction of any...
6) When the loop is entering the magnetic field, what will be
the direction of any induced current present in the loop?
(2pts)
a) clockwise
b) counterclockwise
c) No current is induced.
a) clockwise b) counterclockwise c) No current is induced.
ΓarA A toroidal solenoid has 600 turns, cross-sectional area 6.90 cm", and mean radius 4.50 cm. Calculate the coil's self-Inductance. Express your answer in henries. IVO AXO L = H Submit Request Answer Part B If the current decreases uniformly from 5.00 A to 2.00 A in 3.00 ms, calculate the self-induced emf in the coil. Express your answer in volts. GAS ? V Submit Request Answer Part C The current is directed from terminal a of the coil to...
The figure shows a coil entering a region (inside the dashed rectangle) where the magnetic field B is constant. Assume B is out of the page, The maximum emf induced in the 5.00 ohm coil as it enters the field is 0.435 V The coil is connected to a 7.50 ohm resistor a)Calculate the maximum current in the coil, (b) Does the magnetic flux increase or decrease as the coil enters the region? Explain your answer. (c) What is the...
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...
Review Part A A-10 nC point charge is located at 6.0 m, 0), and a -14 nC point charge is located at (0,8 m). What is the magnitude of the net electric field at the origin? Express your answer with the appropriate units. ? HÅR E = Value O O Units Submit Request Answer Part B What is the direction of the net electric field at the origin? Find the angle measured from the positive r axis to the net...
The switch on the electromagnet, initially open, is closed. What is the direction of the induced current in the wire loop (as seen from the left)? There is no induced current The induced current is clockwise. The induced current is counterclockwise. Submit Request Answer In this problem, you will use Lenz's law to explore what happens when an electromagnet is activated a short distance from a wire loop. You will need to use the right-hand rule to find the direction...
A long straight wire carrying a current of 2.03 A moves with a constant speed v to the right. A 120 turn circular coil of diameter 1.50 cm, and resistance of 3.25 u 2, lies stationary in the same plane as the straight wire. At some initial time the wire is to the left of the coil at a distance d = 13.0 cm from its center. 5.00 s later, the wire has moved to the right of the coil...
6) When the loop is entering the magnetic field, what will be
the direction of any induced current present in the loop?
(2pts)
a) clockwise
b) counterclockwise
c) No current is induced.
a) clockwise b) counterclockwise c) No current is induced.
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