A metal bar slides to the right. The resistance R = 4.8 Ohms,
length l = 1 m. 
magnetic field strength is B =
8 T. If the bar moves at speed 5.6 m/s, what is the current in the
resistor?
Homework Answers
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A metal bar slides to the right. The resistance R = 4.8 Ohms,
length l =...
A metal rod of length l = 19 cm moves at constant speed v on rails of negligible resistance that terminate in a resistor R = 0.2
A metal rod of length l = 19 cm moves at constant speed v on rails of negligible resistance
that terminate in a resistor R = 0.2 ?, as shown in the figure above. A uniform and constant magnetic
field B = 1 T ia normal to the plane of the rails. The induced current is I =1 A and flows in the direction shown. Find :a) the speed v;m/sb) the external force needed to keep the rod moving at v.N to the right.
2. A bar is free to fall while completing the circ length of L=0.60 m. The...
2. A bar is free to fall while completing the circ length of L=0.60 m. The magnetic field is out of the while completing the circuit. The resistor has resistance R=12.00 . The rod has a bum. The magnetic field is out of the page with B=0.370 T. The bar is falling with a of 2.4 m/s, and the speed is now constant because the force of gravity and the electromotive Torce are balanced. What is the mass of the...
A conducting bar of length ! moves to the right on two frictionless rails as shown...
A conducting bar of length ! moves to the right on two frictionless rails as shown in the figure below. A uniform magnetic field directed into the page has a magnitude of 0.290 T. Assume R = 9.10 and l = 0.330 m. X X X X X X X X * * *A* X * * * * * * * X X * * x * * * * * * * X X * * x *...
A metal bar of mass 500 g slides outward at a constant speed of 1.5 cm/s...
A metal bar of mass 500 g slides outward at a constant speed of 1.5 cm/s over two parallel rails separated by a distance of 30 cm which are part of a U-shaped conductor. There is a uniform magnetic field of magnitude 2 T pointing out of the page over the entire area. The railings and metal bar have an equivalent resistance of 150Ω.150Ω. (a) Determine the induced current, both magnitude and direction. (b) Find the direction of the induced...
A zero-resistance rod slides to the right on two zero-resistance rail separated by the distance L...
A zero-resistance rod slides to the right on two zero-resistance rail separated by the distance L = 0.350 m. The rails are connected to a light bulb with a resistance of 12.5 Ohm, and the entire system is in a uniform magnetic field with a magnitude of 0.760 T. (a) Find the speed at which the bar must be moved to produce a current of 0.135 A in the resistor. (b) What is the direction of the induced current? Explain....
1. A conducting rod of length 0.500 m and resistance 2.00 ohms moves to the right...
1. A conducting rod of length 0.500 m and resistance 2.00 ohms moves to the right on metal rails as shown below. The rails have no friction and no electrical resistance. A uniform magnetic field of magnitude 4.00 T is directed into the paper. What is the magnitude of the force that an external agent would need to exert on the rod to keep it moving to the right at a speed of 10.0 m/s (in N)? (A) 20.0 (B)...
A conducting rod with a length of 25 cm is placed on a U-shaped metal wire that has a resistance R of 8.0 Ω as shown in the figure.
A conducting rod with a length of 25 cm is placed on a U-shaped metal wire that has a resistance R of 8.0 Ω as shown in the figure. The wire and the rod are placed in the plane of the paper. A constant magnetic field of strength 0.40 T is applied perpendicular into the paper. An applied force moves the rod to the right with a constant speed of 6.0 m/s. What is the magnitude and direction of the...
1. A conducting rod of length 0.500 m and resistance 2.00 ohms moves to the right...
1. A conducting rod of length 0.500 m and resistance 2.00 ohms moves to the right on metal rails as shown below. The rails have no friction and no electrical resistance. A uniform magnetic field of magnitude 4.00 T is directed into the paper. What is the magnitude of the force that an external agent would need to exert on the rod to keep it moving to the right at a speed of 10.0 m/s (in N)? (A) 20.0 (B)...
In the figure below, a metal bar sitting on two parallel conducting rails, connected to each other by a resistor, is pulled to the right at a constant speed.
A vertical bar and two parallel horizontal rails lie in the
plane of the page. The parallel rails run from left to right, with
one a distance ℓ above the other. The left ends of the rails are
connected by a vertical wire containing a resistor R. The
vertical bar lies across the rails to the right of the wire. Force
vector Fapp points from the bar toward
the right.In the figure below, a metal bar sitting on two parallel...
A conducting rod whose length is l = 30 cm is placed on a U-shaped metal wire that is connected to a light bulb having a resistance of 5.0 s as shown in the figure.
A conducting rod whose length is l = 30 cm is placed on a U-shaped metal wire that is connected to a light bulb having a resistance of 5.0 s as shown in the figure. The wire and the rod are in the plane of the page. A constant uniform magnetic field of strength 0.50 T is applied perpendicular to and out of the paper. An external applied force moves the rod to the left with a constant speed of...
A metal rod of length l = 19 cm moves at constant speed v on rails of negligible resistance
that terminate in a resistor R = 0.2 ?, as shown in the figure above. A uniform and constant magnetic
field B = 1 T ia normal to the plane of the rails. The induced current is I =1 A and flows in the direction shown. Find :a) the speed v;m/sb) the external force needed to keep the rod moving at v.N to the right.
2. A bar is free to fall while completing the circ length of L=0.60 m. The magnetic field is out of the while completing the circuit. The resistor has resistance R=12.00 . The rod has a bum. The magnetic field is out of the page with B=0.370 T. The bar is falling with a of 2.4 m/s, and the speed is now constant because the force of gravity and the electromotive Torce are balanced. What is the mass of the...
A conducting bar of length ! moves to the right on two frictionless rails as shown in the figure below. A uniform magnetic field directed into the page has a magnitude of 0.290 T. Assume R = 9.10 and l = 0.330 m. X X X X X X X X * * *A* X * * * * * * * X X * * x * * * * * * * X X * * x *...
A zero-resistance rod slides to the right on two zero-resistance rail separated by the distance L = 0.350 m. The rails are connected to a light bulb with a resistance of 12.5 Ohm, and the entire system is in a uniform magnetic field with a magnitude of 0.760 T. (a) Find the speed at which the bar must be moved to produce a current of 0.135 A in the resistor. (b) What is the direction of the induced current? Explain....
1. A conducting rod of length 0.500 m and resistance 2.00 ohms moves to the right on metal rails as shown below. The rails have no friction and no electrical resistance. A uniform magnetic field of magnitude 4.00 T is directed into the paper. What is the magnitude of the force that an external agent would need to exert on the rod to keep it moving to the right at a speed of 10.0 m/s (in N)? (A) 20.0 (B)...
1. A conducting rod of length 0.500 m and resistance 2.00 ohms moves to the right on metal rails as shown below. The rails have no friction and no electrical resistance. A uniform magnetic field of magnitude 4.00 T is directed into the paper. What is the magnitude of the force that an external agent would need to exert on the rod to keep it moving to the right at a speed of 10.0 m/s (in N)? (A) 20.0 (B)...
A vertical bar and two parallel horizontal rails lie in the
plane of the page. The parallel rails run from left to right, with
one a distance ℓ above the other. The left ends of the rails are
connected by a vertical wire containing a resistor R. The
vertical bar lies across the rails to the right of the wire. Force
vector Fapp points from the bar toward
the right.In the figure below, a metal bar sitting on two parallel...
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