Homework Answers
It is reduced by a factor of 1/3
(3rd option is correct)
Reason :
Force felt by a wire is directly proportional to current through it. This reducing current by 1/3 reduced force by 1/3
Add Answer to:
You have a wire carrying a current l. If you reduce the current in the wire...
Suppose the rate of change of the magnetic field applied to a loop of wire is...
Suppose the rate of change of the magnetic field applied to a loop of wire is increased by a factor of 3, and the wire loop's area is reduced by a factor of 3, what happens to the induced emf in the loop? It is reduced by a factor of 3 It is reduced by a factor of 9 It is increased by a factor of 3 It it reduced by a factor of 9 It remains the same
Part 1) If you double the current in the wire, what happens to the force on...
Part 1) If you double the current in the wire, what happens to
the force on the wire? What about the force on the magnet?
Part 2) If you double the length of the wire, what happens to
the force on the wire? What about the force on the magnet?
Part 3) If you double the magnetic field that the wire is in,
what happens to the force on the wire? What about the force on the
magnet?
A current-carrying...
9. A current carrying wire is placed in the uniform magnetic field as shown in the...
9. A current carrying wire is placed in the uniform magnetic field as shown in the figure for problem! The magnetic force on the wire is pointing to the left 19) The magnetic field is pointing a) out of the page b) to the left 20) If the current in the wire decreases by a factor of two, the force a) increases by a b) decreases by a c) decreases by a factor of two d) into the page c)...
7. (5 points) The force exerted by a constant uniform magnetic field on a current-carrying wire...
7. (5 points) The force exerted by a constant uniform magnetic field on a current-carrying wire of length L produces a force per unit length of Fi on the wire. If a wire twice as long and carrying the same current is placed in the same fiel with the same orientation, the force per unit length would be (b) FL (a) 2F (c) FL/2
Q2. (12 p) The diagram shows a wire carrying current 11 and a loop carrying current...
Q2. (12 p) The diagram shows a wire carrying current 11 and a loop carrying current 12. Side of the loop has length L. The distance between the wire and left edge of the loop is R1, and the distance between the wire and right edge of the loop is R2. a. What is the magnitude and direction of the magnetic field B produced by the wire at distancer, on the right side of the wire (in the region where...
A horizontal length of current-carrying wire is suspended from two identical flexible leads that are under...
A horizontal length of current-carrying wire is suspended from two identical flexible leads that are under tension due to the weight of the wire. The wire is oriented at right angles to a uniform magnetic field that has a magnitude of 4T and is directed out of the screen of the figure. The length L of the wire is 5 cm and its mass mis 10 g. What current will produce a magnetic force on the wire such that it...
A horizontal length of current-carrying wire is suspended from two identical flexible leads that are under...
A horizontal length of current-carrying wire is suspended from two identical flexible leads that are under tension due to the weight of the wire. The wire is oriented at right angles to a uniform magnetic field that has a magnitude of 3T and is directed into the screen of the figure. The length L of the wire is 5 cm and its mass mis 10 g. What current will produce a magnetic force on the wire such that it doubles...
A horizontal length of current-carrying wire is suspended from two identical flexible leads that are under...
A horizontal length of current-carrying wire is suspended from two identical flexible leads that are under tension due to the weight of the wire. The wire is oriented at right angles to a uniform magnetic field that has a magnitude of 2.5 T and is directed into the screen of the figure. The length L of the wire is 5 cm and its mass m is 10 g. What current will produce a magnetic force on the wire that is...
A horizontal length of current-carrying wire is suspended from two identical flexible leads that are under...
A horizontal length of current-carrying wire is suspended from two identical flexible leads that are under tension due to the weight of the wire. The wire is oriented at right angles to a uniform magnetic field that has a magnitude of 4.5 T and is directed out of the screen of the figure. The length L of the wire is 5 cm and its mass m is 10 g. What current will produce a magnetic force on the wire such...
A horizontal length of current-carrying wire is suspended from two identical flexible leads that are under...
A horizontal length of current-carrying wire is suspended from two identical flexible leads that are under tension due to the weight of the wire. The wire is oriented at right angles to a uniform magnetic field that has a magnitude of 2.5 T and is directed into the screen of the figure. The length L of the wire is 5 cm and its mass m is 10 g. What current will produce a magnetic force on the wire that is...
Part 1) If you double the current in the wire, what happens to
the force on the wire? What about the force on the magnet?
Part 2) If you double the length of the wire, what happens to
the force on the wire? What about the force on the magnet?
Part 3) If you double the magnetic field that the wire is in,
what happens to the force on the wire? What about the force on the
magnet?
A current-carrying...
9. A current carrying wire is placed in the uniform magnetic field as shown in the figure for problem! The magnetic force on the wire is pointing to the left 19) The magnetic field is pointing a) out of the page b) to the left 20) If the current in the wire decreases by a factor of two, the force a) increases by a b) decreases by a c) decreases by a factor of two d) into the page c)...
7. (5 points) The force exerted by a constant uniform magnetic field on a current-carrying wire of length L produces a force per unit length of Fi on the wire. If a wire twice as long and carrying the same current is placed in the same fiel with the same orientation, the force per unit length would be (b) FL (a) 2F (c) FL/2
Q2. (12 p) The diagram shows a wire carrying current 11 and a loop carrying current 12. Side of the loop has length L. The distance between the wire and left edge of the loop is R1, and the distance between the wire and right edge of the loop is R2. a. What is the magnitude and direction of the magnetic field B produced by the wire at distancer, on the right side of the wire (in the region where...
A horizontal length of current-carrying wire is suspended from two identical flexible leads that are under tension due to the weight of the wire. The wire is oriented at right angles to a uniform magnetic field that has a magnitude of 4T and is directed out of the screen of the figure. The length L of the wire is 5 cm and its mass mis 10 g. What current will produce a magnetic force on the wire such that it...
A horizontal length of current-carrying wire is suspended from two identical flexible leads that are under tension due to the weight of the wire. The wire is oriented at right angles to a uniform magnetic field that has a magnitude of 3T and is directed into the screen of the figure. The length L of the wire is 5 cm and its mass mis 10 g. What current will produce a magnetic force on the wire such that it doubles...
A horizontal length of current-carrying wire is suspended from two identical flexible leads that are under tension due to the weight of the wire. The wire is oriented at right angles to a uniform magnetic field that has a magnitude of 2.5 T and is directed into the screen of the figure. The length L of the wire is 5 cm and its mass m is 10 g. What current will produce a magnetic force on the wire that is...
A horizontal length of current-carrying wire is suspended from two identical flexible leads that are under tension due to the weight of the wire. The wire is oriented at right angles to a uniform magnetic field that has a magnitude of 4.5 T and is directed out of the screen of the figure. The length L of the wire is 5 cm and its mass m is 10 g. What current will produce a magnetic force on the wire such...
A horizontal length of current-carrying wire is suspended from two identical flexible leads that are under tension due to the weight of the wire. The wire is oriented at right angles to a uniform magnetic field that has a magnitude of 2.5 T and is directed into the screen of the figure. The length L of the wire is 5 cm and its mass m is 10 g. What current will produce a magnetic force on the wire that is...
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