A loop of wire in the shape of a rectangle of width w and length L and a long, straight wire carrying a current I lie on a tabletop as shown in the figure below. (a) Determine the magnetic flux through the loop due to the current I. (Use any variable stated above along with the following as necessary: Ho:) (b) Suppose the current is changing with time according to I = a + bt, where a and b are constants. Determine the magnitude of the emf (in V) that is induced in the loop if b = 20.0 A/s, h = 1.00 cm, w = 20.0 cm, and L = 1.45 m. 3.2e-6 How do you determine the induced emf from your equation for the flux from part (a)? V (c) What is the direction of the induced current in the rectangle? O clockwise O counterclockwise O The magnitude is zero. X* What If? Suppose a constant current of I = 6.00 A flows in the straight wire and the loop moves from an initial position h, = 1.00 cm toward the bottom of the figure at a constant speed of v = 18.0 cm/s. (d) What is the magnitude of the induced emf (in V) in the loop 1.00 s after it begins to move? (e) What is the direction of the induced current in the loop 1.00 s after it begins to move? O clockwise O counterclockwise O The magnitude is zero.
A loop of wire in the shape of a rectangle of width w and length L and a long, straight wire carrying a current I lie on a tabletop as shown in the figure below. (a) Determine the magnetic flux through the loop due to the current I. (Use any variable stated above along with the following as necessary: Ho:) (b) Suppose the current is changing with time according to I = a + bt, where a and b are constants. Determine the magnitude of the emf (in V) that is induced in the loop if b = 20.0 A/s, h = 1.00 cm, w = 20.0 cm, and L = 1.45 m. 3.2e-6 How do you determine the induced emf from your equation for the flux from part (a)? V (c) What is the direction of the induced current in the rectangle? O clockwise O counterclockwise O The magnitude is zero. X* What If? Suppose a constant current of I = 6.00 A flows in the straight wire and the loop moves from an initial position h, = 1.00 cm toward the bottom of the figure at a constant speed of v = 18.0 cm/s. (d) What is the magnitude of the induced emf (in V) in the loop 1.00 s after it begins to move? (e) What is the direction of the induced current in the loop 1.00 s after it begins to move? O clockwise O counterclockwise O The magnitude is zero.
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Transcribed Image Text:A loop of wire in the shape of a rectangle of width w and length L and a long, straight wire carrying a current I lie on a tabletop as shown in the figure below.
L
(a) Determine the magnetic flux through the loop due to the current I. (Use any variable stated above along with the following as necessary: H.)
2n
X*
(b) Suppose the current is changing with time according to I = a + bt, where a and b are constants. Determine the magnitude of the emf (in V) that is induced in the loop if b = 20.0 A/s, h = 1.00 cm, w = 20.0 cm, and L = 1.45 m.
3.2e-6
How do you determine the induced emf from your equation for the flux from part (a)? V
(c) What is the direction of the induced current in the rectangle?
O clockwise
O counterclockwise
O The magnitude is zero.
X*
What If? Suppose a constant current of I = 6.00 A flows in the straight wire and the loop moves from an initial position h, = 1.00 cm toward the bottom of the figure at a constant speed of v = 18.0 cm/s.
(d) What is the magnitude of the induced emf (in V) in the loop 1.00 s after it begins to move?
V
(e) What is the direction of the induced current in the loop 1.00 s after it begins to move?
O clockwise
O counterclockwise
O The magnitude is zero.
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