The figure below shows a flesible loop of metal wire with a radus of 11.0 am. klies in a magnetic field pointing into the page with a magninude of 0 120TA physicist grabs the loop at points A and Band rapidiy puls in opposite directions unti the loop folds up. such that its ares becomes zero The change in area occurs in a span of a 100s. What is the average induced emf fin m) in the loop over this time span? mv

College Physics
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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)...
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DETAILS SERCP11 20.2.OP.010.
ASK YOUR TEACHER
19. [-/1 Points]
MY NOTES
The figure below shows a flexible loop of metal wire with a radius of 11.0 cm. It lies in a magnetic field pointing into the page with a magnitude of
0.120 T.A physicist grabs the loop at points A and B and rapidly pulls in opposite directions unti the loop folds up. such that its area becomes zero.
The change in area occurs in a span of 0.160 s.
B
What is the average induced emf (in mV) in the loop over this time span?
mv
20. [-/2 Points]
DETAILS SERCP11 20.2.OP.015.
MY NOTES
ASK YOUR TEACHER
The figure below shows a ber magnet positioned near a coil of wire, with the north pole closest to the left side The wire is connected to a resistor
oriented parallel to the axis of the col
IS
Lw
R
(a) What is the direction of the current through the resistor when the magnet is movod to the let as shown?
O The current is to the left through the resistor.
O The current is to the right through the resistor.
ONo current is induced
(b) Ir instead the magnet (still in the same orientation) was moved to the right, what would be the direction of the curret through the resistor?
O
The current is to the left through the resistor.
O The current is to the right through the resistor.
O No current is induced.
21. [-/3 Points]
DETAILS
SERCP11 20.6.0P.043.
MY NOTES
ASK YOUR TEACHER
The figure below shows a circuit consisting of a 150 V battery in series with an inductor with inductance L= 10.0 H, a resistor with resistance
R= 6.50 0, and a swnch, initially open.
(a) After the switch is closed, what is the maximum current (in A) that will now through the circui?
A
(b) What is the time constant (in s) of the circuit?
(c) After the switch is closed, how much time in sl does it take for the current to reach 95.0% of ito maxinmum value?
Module 1:WebAssign
<>
Transcribed Image Text:7:26 S 3 all 63%i CLICK HERE TO ACCES... DETAILS SERCP11 20.2.OP.010. ASK YOUR TEACHER 19. [-/1 Points] MY NOTES The figure below shows a flexible loop of metal wire with a radius of 11.0 cm. It lies in a magnetic field pointing into the page with a magnitude of 0.120 T.A physicist grabs the loop at points A and B and rapidly pulls in opposite directions unti the loop folds up. such that its area becomes zero. The change in area occurs in a span of 0.160 s. B What is the average induced emf (in mV) in the loop over this time span? mv 20. [-/2 Points] DETAILS SERCP11 20.2.OP.015. MY NOTES ASK YOUR TEACHER The figure below shows a ber magnet positioned near a coil of wire, with the north pole closest to the left side The wire is connected to a resistor oriented parallel to the axis of the col IS Lw R (a) What is the direction of the current through the resistor when the magnet is movod to the let as shown? O The current is to the left through the resistor. O The current is to the right through the resistor. ONo current is induced (b) Ir instead the magnet (still in the same orientation) was moved to the right, what would be the direction of the curret through the resistor? O The current is to the left through the resistor. O The current is to the right through the resistor. O No current is induced. 21. [-/3 Points] DETAILS SERCP11 20.6.0P.043. MY NOTES ASK YOUR TEACHER The figure below shows a circuit consisting of a 150 V battery in series with an inductor with inductance L= 10.0 H, a resistor with resistance R= 6.50 0, and a swnch, initially open. (a) After the switch is closed, what is the maximum current (in A) that will now through the circui? A (b) What is the time constant (in s) of the circuit? (c) After the switch is closed, how much time in sl does it take for the current to reach 95.0% of ito maxinmum value? Module 1:WebAssign <>
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