The circle represents a conducting loop of wire near an infinite horizontal current I.
EXPLAIN if the magnetic flux through the loop of wire increases, decreases, or stays the same.
DRAW the magnetic field due to the current.
a. The loop is moved directly out of the page
b. Loop is rotated through an angle less than 90 degrees about horizontal. Upper half of loop rotates out of the page and lower half of loop rotates into the page.
Homework Answers
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The circle represents a conducting loop of wire near an infinite
horizontal current I.
EXPLAIN if...
A 144-Ω light bulb is connected to a conducting wire that is wrapped into the shape...
A 144-Ω light bulb is connected to a conducting wire that is wrapped into the shape of a square with side length of 83.0 cm. This square loop is rotated within a uniform magnetic field of 454 mT. What is the change in magnetic flux through the loop when it rotates from a position where its area vector makes an angle of 30° with the field to a position where the area vector is parallel to the field? A 144-Ω...
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...
An infinite straight wire carries a current I that varies with time as shown above. It...
An infinite straight wire carries a current I that varies with time as shown above. It increases from 0 at t = 0 to a maximum value I_1 3.3 A at t = t_1 = 12 s, remains constant at this value until t = t_2 when it decreases linearly to a value l4 = -3.3 A at t = t_4 = 31 s, passing through zero at t = t_3 = 24 s. A conducting loop with sides W...
Parts A-E refer to the following figure of a circular loop of conducting wire
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An infinite straight wire carries a current I that varies with time as shown above. It...
An infinite straight wire carries a current I that varies with time as shown above. It increases from 0 at t = 0 to a maximum value l_1 = 2.7 A at t = t_1 = 14 s, remains constant at this value until t = t_2 when it decreases linearly to a value l_4 = -2.7 A at t = t_4 = 25 s, passing through zero at t = t_3 = 22 s. A conducting loop with sides...
4. A long straight wire carrying a current is in the plane of a circular loop...
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In the figure, a rectangular loop of wire with length a = 3.8 cm, width b = 2.2 cm, and resistance R = 0.70 mΩ is placed near an infinitely long wire carrying current I = 4.7 A
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A square loop of wire carries a current I. Current is flowing in a counterclockwise direction...
A square loop of wire carries a current I. Current is flowing in
a counterclockwise direction as shown.
16) If this loop is placed in a
uniform magnetic field pointing out the page, what is the direction
of the net force on the loop?
up
down
left
right
zero
17) Now the loop is placed near a
horizontal wire with current moving to the left. If the horizontal
wire is right below the loop (in the plane of the page), what is...
The figure shows a stationary conducting loop adjacent to a horizontal current-carrying wire. For which of...
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An infinite straight wire carries a current I that varies with time as shown above. It increases from 0 at t = 0 to a maximum value I_1 3.3 A at t = t_1 = 12 s, remains constant at this value until t = t_2 when it decreases linearly to a value l4 = -3.3 A at t = t_4 = 31 s, passing through zero at t = t_3 = 24 s. A conducting loop with sides W...
An infinite straight wire carries a current I that varies with time as shown above. It increases from 0 at t = 0 to a maximum value l_1 = 2.7 A at t = t_1 = 14 s, remains constant at this value until t = t_2 when it decreases linearly to a value l_4 = -2.7 A at t = t_4 = 25 s, passing through zero at t = t_3 = 22 s. A conducting loop with sides...
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 square loop of wire carries a current I. Current is flowing in
a counterclockwise direction as shown.
16) If this loop is placed in a
uniform magnetic field pointing out the page, what is the direction
of the net force on the loop?
up
down
left
right
zero
17) Now the loop is placed near a
horizontal wire with current moving to the left. If the horizontal
wire is right below the loop (in the plane of the page), what is...
The figure shows a stationary conducting loop adjacent to a horizontal current-carrying wire. For which of the following conditions will a counter- clockwise induced current circulate in the stationary loop? Stationary conducting loop O Counter- clockwise induced current - Current-carrying wire The current in the horizontal wire flows to the right and its value is increasing. The current in the horizontal wire flows to the right and its value is constant. The current in the horizontal wire flows to the...
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