A long straight wire carries a current I(t) = I0e-kt
18.3) Straight wire
A long straight wire carries a current I(t) = I0e-kt. A rectangular loop of dimensions a x b is a distance d below the wire. Find the induced emf in the loop. What direction is the induced current?
Homework Answers
In the diagram below, the long straight wire carries a current to the right and the...
In the diagram below, the long straight wire carries a current
to the right and the current is increasing with time. This changing
current produces an emf in the circular loop. What is the direction
of the induced emf?
a. Clockwise b. Counterclockwise. c. We need to know the
resistance of the loop
5. In the diagram below, the long straight wire carries a current to the right and the current is increasing with time. This changing current produces an...
5. In the diagram below, the long straight wire carries a current to the right and...
5. In the diagram below, the long straight wire carries a current to the right and the current is increasing with time. This changing current produces an emf in the circular loop. What is the direction of the induced emf? (A) Clockwise (B) Counterclockwise (C) We need to know the resistance of the loop i O
A long, straight wire (see the figure below) carries current I1 = 4.4 A and is...
A long, straight wire (see the figure below) carries current I1
= 4.4 A and is a distance h = 15 cm from a rectangular current loop
that carries a current I2 = 1.51 A.
A long, straight wire (see the figure below) carries current 11-4.4 A and is a distance h = 15 cm from a rectangular current loop that carries a current 12-1.51 A t0 2 (a) If the loop has length L = 49 cm and width...
A long straight wire is in the same plane as a rectangular, conducting loop. The wire carries a constant current I as shown in the figure.
A long straight wire is in the same plane as a rectangular, conducting loop. The wire carries a constant current I as shown in the figure. a) If the wire is suddenly moved toward the loop, in which direction will the induced current be? b) If the current in the wire is suddenly increased, in which direction will the induced current be? EXPLAIN your answers!
An infinite straight wire carries current I1 = 3 A in the positive y-direction as shown....
An infinite straight wire carries current I1 = 3 A in
the positive y-direction as shown. At time t = 0, a conducting
wire, aligned with the y-direction is located a distance d = 50 cm
from the y-axis and moves with velocity v = 12 cm/s in the negaitve
x-direction as shown. The wire has length W = 24 cm.
)
What is ε(0), the emf induced in the moving wire at t = 0?
Define the emf to...
5. In the diagram below, the long straight wire carries a current to the right and...
5. In the diagram below, the long straight wire carries a current to the right and the current is increasing with time. This changing current produces an emf in the circular loop. What is the direction of the induced emf? (A) Clockwise (B) Counterclockwise (C) We need to know the resistance of the loop ( )
The long, straight wire shown in the figure a carries constant current I. A metal bar with length L is moving at constant velocity v, as shown in the figure. Point a is a distance d from the wire.
The long, straight wire shown in the figure a carries constant current I. A metal bar with length L is moving at constant velocity v, as shown in the figure. Point a is a distance d from the wire. Part A Calculate the emf induced in the bar. Part B Which point, a or b, is at higher potential? Part C If the bar is replaced by a rectangular wire loop of resistance R (the figure b), what is the magnitude of the current induced in...
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 11 2.1 A att = t1 = 15 s, remains constant at this value until t = t2 when it decreases linearly to a value 4 = -2.1 A at t = t4 = 31 s, passing through zero at t = t3 = 25.5 s. A conducting loop with sides W 22...
A long, straight wire carries a current and lies in the plane of a rectangular loops of wire, as shown in the figure.
A long, straight wire carries a current and lies in the plane of a rectangular loops of wire, as shown in the figure. Determine the maximum emf, |epsilon|, induced in the loop by the magnetic field created by the current in the straight wire.
A long, straight wire (see the figure below) carries current 114.2 A and is a distance...
A long, straight wire (see the figure below) carries current 114.2 A and is a distance h 15 cm from a rectangular current loop that carries a current I2 1.58 A (a) If the loop has length L = 40 cm and width w = 28 cm, what are the magnitude and direction of the force exerted by the wire on the loop? magnitude 4.19e-6 direction toward the long straight wire (b) What is the force exerted by the current...
In the diagram below, the long straight wire carries a current
to the right and the current is increasing with time. This changing
current produces an emf in the circular loop. What is the direction
of the induced emf?
a. Clockwise b. Counterclockwise. c. We need to know the
resistance of the loop
5. In the diagram below, the long straight wire carries a current to the right and the current is increasing with time. This changing current produces an...
5. In the diagram below, the long straight wire carries a current to the right and the current is increasing with time. This changing current produces an emf in the circular loop. What is the direction of the induced emf? (A) Clockwise (B) Counterclockwise (C) We need to know the resistance of the loop i O
A long, straight wire (see the figure below) carries current I1
= 4.4 A and is a distance h = 15 cm from a rectangular current loop
that carries a current I2 = 1.51 A.
A long, straight wire (see the figure below) carries current 11-4.4 A and is a distance h = 15 cm from a rectangular current loop that carries a current 12-1.51 A t0 2 (a) If the loop has length L = 49 cm and width...
An infinite straight wire carries current I1 = 3 A in
the positive y-direction as shown. At time t = 0, a conducting
wire, aligned with the y-direction is located a distance d = 50 cm
from the y-axis and moves with velocity v = 12 cm/s in the negaitve
x-direction as shown. The wire has length W = 24 cm.
)
What is ε(0), the emf induced in the moving wire at t = 0?
Define the emf to...
5. In the diagram below, the long straight wire carries a current to the right and the current is increasing with time. This changing current produces an emf in the circular loop. What is the direction of the induced emf? (A) Clockwise (B) Counterclockwise (C) We need to know the resistance of the loop ( )
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 11 2.1 A att = t1 = 15 s, remains constant at this value until t = t2 when it decreases linearly to a value 4 = -2.1 A at t = t4 = 31 s, passing through zero at t = t3 = 25.5 s. A conducting loop with sides W 22...
A long, straight wire (see the figure below) carries current 114.2 A and is a distance h 15 cm from a rectangular current loop that carries a current I2 1.58 A (a) If the loop has length L = 40 cm and width w = 28 cm, what are the magnitude and direction of the force exerted by the wire on the loop? magnitude 4.19e-6 direction toward the long straight wire (b) What is the force exerted by the current...
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