16)DerslerimR1x xR3ww-ToplantılarR xR2A bar of lengthdshown in Figure. A uniform magneti c field B = 1.8 T is directed into the plane ofthe figure. Left ends of the rails are connected to a circuit composed ofresistances,0.5 m is free to slide without friction onbrizontal rails as15 N, a solen oid with inductance L = 0.5 H, a300 g andR1200, R2 = 10 N, and R3:140 V, and a switch S. The bar has mass m =battery with emf ɛ =resistance R = 15 N. Ignore all other resistance in the circuit due to connectingwires and the rails. Just after the switch is closed, what is the accelerati on of thebar?A) 38.4 m/s? B) 17.14 m/s? C) 8.4 m/s? D) 264 m/s² E) 28 m/s²

0.5 m is free to slide without friction onOrizontal rails as 1.8 T is directed into the plane of A bar of length d = shown in Figure. A uniform magneti c field B the figure. Left ends of the rails are connected to a circuit composed ofresistances, R1 = 200, R2 battery with emf ɛ = 140 V , and a switch S. The bar has mass m = resistance R %3D 15 N, a solenoid with inductance L = 0.5 H , a 300 g and 15 N. Ignore all other resistance in the circuit due to connecting 10 N, and R3 %3D %3D wires and the rails. Just after the switch is closed, what is the accelerati on of the bar? E) 28 m/s?

0.5 m is free to slide without friction onOrizontal rails as 1.8 T is directed into the plane of A bar of length d = shown in Figure. A uniform magneti c field B the figure. Left ends of the rails are connected to a circuit composed ofresistances, R1 = 200, R2 battery with emf ɛ = 140 V , and a switch S. The bar has mass m = resistance R %3D 15 N, a solenoid with inductance L = 0.5 H , a 300 g and 15 N. Ignore all other resistance in the circuit due to connecting 10 N, and R3 %3D %3D wires and the rails. Just after the switch is closed, what is the accelerati on of the bar? E) 28 m/s?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter22: Magnetism

Section: Chapter Questions

Problem 63PE: Nonnuclear submarines use batteries for power when submerged. (a) Find the magnetic field 50.0 cm...

See similar textbooks

Similar questions

The accompanying figure shows a conducting ring at various positions as It moves througli a magnetic field. What is the sense of the induced em! for each of those positions?
Make a drawing and use RHR—2 to find the direction of the magnetic field of a current loop in a motor (such as in Figure 22.34). Then show that the direction of the torque on the loop is the same as produced by like poles repelling and unlike poles attracting.
Is an emf induced in the coil in Figure 23.54 when it is stretched? If so, state why and give the direction of the induced current. Figure 23.54 A circular coil of wire is snatched in a magnetic field.
An emf is induced by rotating a 1000-turn, 20.0 cm diameter coil in the Earth’s 5.00105T magnetic field. What average emf is induced, given the plane of the coil is originally perpendicular to me Earth’s field and is rotated to be parallel to the field in 10.0 ms?
A 10-H inductor carries a current of 20 A. How much ice at 0ºC could be melted by the energy stored in the magnetic field of the inductor? (Hint: Use the value Lf= 334 J/g for ice.)
A bar magnet falls under the influence of gravity along the axis of a long copper tube. If air resistance is negligible, will there be a force to oppose the descent of the magnet? If so, will the magnet reach a terminal velocity?
What current is needed in the solenoid described in Exercise 22.58 to produce a magnetic field 104 times the Earth’s magnetic field of 5.00105T ?
Integrated Concepts To construct a nonmechanical water meter, a 0.500T magnetic field is placed across the supply water pipe to a home and the Hall voltage is recorded. (a) Find the flow rate in liters per second through a 3.00-cm-diameter pipe if the Hall voltage is 60.0 mV. (b) What would the Hall voltage be for the same flow rate through a 10.0-cm-diameter pipe with the same field applied?
The 4.00 A current through a 7.50 mH inductor is switched off in 8.33 ms. What is the emf induced opposing this?
Make a drawing similar to Figure 23.14, but with the pendulum moving in the opposite direction. Then use Faraday’s law, Lenz’s law, and RHR—l to show that magnetic force opposes motion.
When the 20.0 A current through an inductor is turned off in 1.50 ms, an 800 V emf is induced, opposing the change. What is the value of the self-inductance?
Since the equation for torque on a current-carrying loop is =NIABsin, the units of N (m must equal units of A (m2 T. Verify this.