The magnetic flux through a loop of wire is zero...Can there be an induced current...
The magnetic flux through a loop of wire is zero...
Can there be an induced current in the loop at this instant?
YES
Part B
Explain.
Drag the terms on the left to the appropriate blanks on the right to complete the sentences.
Homework Answers
PART (B) Induced emf 
and induced current is 
R is resistance.
These two equations shows the answer-
1. Either increasing or decreasing
2. will be no
3. will be
I will be glad to see your comment if you have any query and thumb up if you are satisfied. Thanks....
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The magnetic flux through a loop of wire is zero...Can there be an induced current...
When the switch is open, which of the following statements about the magnetic flux through the...
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 of the induced current. When the switch is open, which of the following statements about the magnetic flux through the wire loop is true? Assume that the direction of the vector area of the wire loop is to the right. There is no magnetic...
4. A long straight wire carrying a current is in the plane of a circular loop...
4. A long straight wire carrying a current is in the plane of a circular loop of wire. The current is decreasing. Both the loop and the wire are held in place by external forces. The loop has a resistance of 24. -Long wire Conducting loop a) In what direction does the induced current in the loop flow? Mint: first find the external magnetic field at the loop due to the long wire, figure out if the flux through the...
A flexible circular loop 6.80 cmcm in diameter lies in amagnetic field with magnitude 1.35...
A flexible circular loop 6.80 cm in diameter lies in a
magnetic field with magnitude 1.35 T , directed into the plane of
the page in the figure (Figure 1). The loop is pulled at the points
indicated by the arrows, forming a loop of zero area in 0.200 s .A) Find the average induced emf in the circuit. Express your
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A long straight wire carrying a current I1 is near a wire loop as shown.
A long straight wire carrying a current I1 is near a wire loop as shown. For each part, determine whether the magnetic flux Φ through the loop due to Ii is into the page, out of the page or zero, and whether the current 12 induced in the loop is clockwise, counterclockwise or zero. a) I1 is constant to the left and the loop is moving toward the wireΦ: into page/out of page/zero I2: clockwise/counterclockwise/zero b) I1 is increasing to the right Φ: into...
Part D Finally, the switch on the electromagnet is reopened. The magnitude of the external magnetic...
Part D
Finally, the switch on the electromagnet is reopened. The
magnitude of the external magnetic flux through the wire loop
______ (A. increases, B. decreases, C. remains constant), and there
is _______ (A. zero, B. a clockwise, C. a counterclockwise) current
induced in the loop (as seen from the left).
Part F
Now the switch on the electromagnet is
reopened. The magnitude of the external magnetic flux through the
wire loop ______ (A. increases, B. decreases, C....
In the figure, the magnetic flux through the loop increases according to the relation ΦB =...
In the figure, the magnetic flux through the loop increases
according to the relation ΦB = 8.9t2
+ 9.2t, where ΦB is in milliwebers and
t is in seconds. (a) What is the
magnitude of the emf induced in the loop when t = 2.4 s?
(b) Is the direction of the current through
R to the right or left?
In the figure, the magnetic flux through the loop increases according to the relation ΦB =...
In the figure, the magnetic flux through the loop increases
according to the relation ΦB = 5.8t2 + 6.4t, where ΦB is in
milliwebers and t is in seconds. (a) What is the magnitude of the
emf induced in the loop when t = 1.9 s? (b) Is the direction of the
current through R to the right or left?
ww
the magnetic flux through the loop increases according to the relation ΦB = 8.0t2 + 5.9t,...
the magnetic flux through the loop increases according to the relation ΦB = 8.0t2 + 5.9t, where ΦB is in milliwebers and t is in seconds. (a) What is the magnitude of the emf induced in the loop when t = 2.9 s? (b) Is the direction of the current through R to the right or left?
In the figure, the magnetic flux through the loop increases according to the relation OB =...
In the figure, the magnetic flux through the loop increases according to the relation OB = 8.9t2 + 6.2t, where Og is in milliwebers and t is in seconds. (a) What is the magnitude of the emf induced in the loop when t = 2.0 s? (b) is the direction of the current through R to the right or left? Came (a) Units (b) the tolerance is +/-2% SHOW HINT
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 of the induced current. When the switch is open, which of the following statements about the magnetic flux through the wire loop is true? Assume that the direction of the vector area of the wire loop is to the right. There is no magnetic...
4. A long straight wire carrying a current is in the plane of a circular loop of wire. The current is decreasing. Both the loop and the wire are held in place by external forces. The loop has a resistance of 24. -Long wire Conducting loop a) In what direction does the induced current in the loop flow? Mint: first find the external magnetic field at the loop due to the long wire, figure out if the flux through the...
A flexible circular loop 6.80 cm in diameter lies in a
magnetic field with magnitude 1.35 T , directed into the plane of
the page in the figure (Figure 1). The loop is pulled at the points
indicated by the arrows, forming a loop of zero area in 0.200 s .A) Find the average induced emf in the circuit. Express your
answer in volts.B)What is the direction of the current in R?C)Explain your reasoning.Drag the terms on the left to...
Part D
Finally, the switch on the electromagnet is reopened. The
magnitude of the external magnetic flux through the wire loop
______ (A. increases, B. decreases, C. remains constant), and there
is _______ (A. zero, B. a clockwise, C. a counterclockwise) current
induced in the loop (as seen from the left).
Part F
Now the switch on the electromagnet is
reopened. The magnitude of the external magnetic flux through the
wire loop ______ (A. increases, B. decreases, C....
In the figure, the magnetic flux through the loop increases
according to the relation ΦB = 8.9t2
+ 9.2t, where ΦB is in milliwebers and
t is in seconds. (a) What is the
magnitude of the emf induced in the loop when t = 2.4 s?
(b) Is the direction of the current through
R to the right or left?
In the figure, the magnetic flux through the loop increases
according to the relation ΦB = 5.8t2 + 6.4t, where ΦB is in
milliwebers and t is in seconds. (a) What is the magnitude of the
emf induced in the loop when t = 1.9 s? (b) Is the direction of the
current through R to the right or left?
ww
In the figure, the magnetic flux through the loop increases according to the relation OB = 8.9t2 + 6.2t, where Og is in milliwebers and t is in seconds. (a) What is the magnitude of the emf induced in the loop when t = 2.0 s? (b) is the direction of the current through R to the right or left? Came (a) Units (b) the tolerance is +/-2% SHOW HINT
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