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Magnetic Induction 1. You have two loops of wire that are parallel to each other (one...
Two loops of wire are parallel to each other and close to each other. They have...
Two loops of wire are parallel to each other and close to each other. They have current passing through them in opposite directions. If the loops are allowed to move what will happen?
For this station, you have two coils of wire (each with different numbers of loops), a...
For this station, you have two coils of wire (each with different numbers of loops), a magnet, some connecting wires, and a galvanometer. A galvanometer is an ammeter that measures very small currents (micro-amperes) and indicates the direction of that current. Understanding how the meter behaves is important here, because you’re going to use the meter to determine/measure current—including its direction. For this galvanometer, when (conventional) current enters the terminal on the right (as viewed when reading the dial), the...
The figure shows two parallel loops of wire having a common axis. The smaller loop (radius...
The figure shows two parallel loops of wire having a common
axis. The smaller loop (radius r ) is above the larger
loop (radius R) by a distance x >> R.
Consequently, the magnetic field due to the counterclockwise
current i in the larger loop is nearly constant throughout
the smaller loop.
Suppose that i, the current in the larger loop is shut
off, and decreases at the constant rate
di/dt.
(a) Find an expression for the magnetic flux
through...
Magnetic induction lab: 5 questions A vertical bar magnet is dropped through the center of a...
Magnetic induction lab: 5 questions
A vertical bar magnet is dropped through the center of a horizontal loop of wire, with its south pole leading. At the moment just before the south pole passes through the loop, what is the direction of the induced current in the loop (viewed from above)? 2. Explain your answer to the previous question. 3. A vertical bar magnet is dropped through the center of a horizontal loop of wire, with its south pole leading....
The figure shows two parallel loops of wire having a common axis. The smaller loop (radius...
The figure shows two parallel loops of wire having a common axis. The smaller loop (radius r) is above the larger loop (radius R) by a distance x >>R. Consequently, the magnetic field due to the counterclockwise current in the larger loop is nearly constant throughout the smaller loop. R (a) Find an expression for the magnetic flux through the area of the smaller loop as a function of 1 Select one: a. b. d. BA The figure shows two...
The figure shows two parallel loops of wire having a common axis. The smaller loop (radius...
The figure shows two parallel loops of wire having a common axis. The smaller loop (radius r) is above the larger loop (radius R) by a distance x >> R. Consequently, the magnetic field due to the counterclockwise current i in the larger loop is nearly constant throughout the smaller loop. Suppose that i, the current in the larger loop is shut off, and decreases at the constant rate di/dt. R in the smaller loop, find (c) the direction of...
1. A loop of wire passes through a constant magnetic field going out of the page....
1. A loop of wire passes through a constant magnetic field going out of the page. As the loop begins to enter the magnetic field what direction will the current be induced? Counter clockwise Into the page Out of the page In a zig zag around the earth Clockwise 2. Faraday’s low of induction states that the emf induced in a loop of wire is proportional to (magnetic flux)/(time) (time)/(magnetic flux) (magnetic flux)(magnetic field) (current)/(time) (magnetic flux)(area) 3. The number...
The figure shows two parallel loops of wire having a common axis. The smaller loop (radius...
The figure shows two parallel loops of wire having a common axis. The smaller loop (radius r) is above the larger loop (radius R) by a distance x>>R. Consequently, the magnetic field due to the counterclockwise current i in the larger loop is nearly constant throughout the smaller loop. Suppose that x is increasing at the constant rate dx/dt = v. (a) Find an expression for the magnetic flux through the area of the smaller loop as a function of...
4. Two concentric wire loops lie in the plane of the page. Loop A carries a...
4. Two concentric wire loops lie in the plane of the page. Loop A carries a current IĄ counter-clockwise (Assume that each wire loop forms a closed circuit so that current is able to flow. Each wire has some small non-zero resistance.) loop A loop B (3 pts. total; - pt. per error) What direction of current would EACH of the following actions induce in loop B? Consider each situation SEPARATELY and INDIVIDUALLY from the others Choose from the following...
Two long current-carrying wires are parallel to each other and both are tilted upward (the two...
Two long current-carrying wires are parallel to each other and both are tilted upward (the two wires are still parallel to each other). The two wires have the same current going in the same direction. Which of the following arrows on wire #1 is the direction of the magnetic force on wire #1 due to wire #2? Note: a and care perpendicular to the wire. b #1 a #2 с None of the four arrows is in the direction of...
The figure shows two parallel loops of wire having a common
axis. The smaller loop (radius r ) is above the larger
loop (radius R) by a distance x >> R.
Consequently, the magnetic field due to the counterclockwise
current i in the larger loop is nearly constant throughout
the smaller loop.
Suppose that i, the current in the larger loop is shut
off, and decreases at the constant rate
di/dt.
(a) Find an expression for the magnetic flux
through...
Magnetic induction lab: 5 questions
A vertical bar magnet is dropped through the center of a horizontal loop of wire, with its south pole leading. At the moment just before the south pole passes through the loop, what is the direction of the induced current in the loop (viewed from above)? 2. Explain your answer to the previous question. 3. A vertical bar magnet is dropped through the center of a horizontal loop of wire, with its south pole leading....
The figure shows two parallel loops of wire having a common axis. The smaller loop (radius r) is above the larger loop (radius R) by a distance x >>R. Consequently, the magnetic field due to the counterclockwise current in the larger loop is nearly constant throughout the smaller loop. R (a) Find an expression for the magnetic flux through the area of the smaller loop as a function of 1 Select one: a. b. d. BA The figure shows two...
The figure shows two parallel loops of wire having a common axis. The smaller loop (radius r) is above the larger loop (radius R) by a distance x >> R. Consequently, the magnetic field due to the counterclockwise current i in the larger loop is nearly constant throughout the smaller loop. Suppose that i, the current in the larger loop is shut off, and decreases at the constant rate di/dt. R in the smaller loop, find (c) the direction of...
4. Two concentric wire loops lie in the plane of the page. Loop A carries a current IĄ counter-clockwise (Assume that each wire loop forms a closed circuit so that current is able to flow. Each wire has some small non-zero resistance.) loop A loop B (3 pts. total; - pt. per error) What direction of current would EACH of the following actions induce in loop B? Consider each situation SEPARATELY and INDIVIDUALLY from the others Choose from the following...
Two long current-carrying wires are parallel to each other and both are tilted upward (the two wires are still parallel to each other). The two wires have the same current going in the same direction. Which of the following arrows on wire #1 is the direction of the magnetic force on wire #1 due to wire #2? Note: a and care perpendicular to the wire. b #1 a #2 с None of the four arrows is in the direction of...
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