magnetic field B (whose direction is shown upwards out of the paper). The rod and rails Kod wx lies across a pair of rails that are 3-5 m apart, The whole apparatus lies in a magnetic field B (whose direction is shown upwards out of the paper). The rod and rails nave no resistance, but they are joined by an external circuit YZ, consisting of a 15 ohm resistor and a switch S. When the rod WX moves at 25 m s-l to the right, a current of 0-6 amps flows in the 15 ohm resistor.
magnetic field B (whose direction is shown upwards out of the paper). The rod and rails Kod wx lies across a pair of rails that are 3-5 m apart, The whole apparatus lies in a magnetic field B (whose direction is shown upwards out of the paper). The rod and rails nave no resistance, but they are joined by an external circuit YZ, consisting of a 15 ohm resistor and a switch S. When the rod WX moves at 25 m s-l to the right, a current of 0-6 amps flows in the 15 ohm resistor.
College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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hello, i need help with part b and f, thanks
Transcribed Image Text:(OS)(1S
Rod WX lies across a pair of rails that are 3:5 m apart. The whole apparatus lies n a
magnetic field B (whose direction is shown upwards out of the paper). The rod and rails
have no resistance, but they are joined by an external circuit YZ, consisting of a 15 ohm
resistor and a switch S. When the rod WX moves at 25 m s-1 to the right, a current or
0-6 amps flows in the 15 ohm resistor.
2.
P=I?x R
(06)?x1S
Foppto
motieg
15 2
25 m/s
3-5 m
5.4W.
Given that the current flowing in the 15 ohm resistor is 0-6 amps, what is the rate of
Denergy production in the 15 ohm resistor?
Power (a)
(b)
Use energy to find the force to keep the rod moving to the right at 25 m s-1.
What is the magnitude of the voltage induced between the points W and X?
What is the magnitude of the magnetic field B?
(c)
(d)
(e) What is the direction of the current in the 15 ohm resistor? y to>
What would happen to the force F if the switch S were opened but the rod continued
(f)
to move at the same velocity?
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