QUESTION 14 An aluminum bar of length 1.30 m is connected to two frictionless vertical conducting rails with loops of wire, in the presence of a uniform magnetic field of 1.80 T pointing into the page as shown in the figure. The resistance in the circuit is 35.0 N. When released from rest, the bar quickly reaches a constant terminal velocity of 6.00 m/s. mass m
QUESTION 14 An aluminum bar of length 1.30 m is connected to two frictionless vertical conducting rails with loops of wire, in the presence of a uniform magnetic field of 1.80 T pointing into the page as shown in the figure. The resistance in the circuit is 35.0 N. When released from rest, the bar quickly reaches a constant terminal velocity of 6.00 m/s. mass m
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Transcribed Image Text:QUESTION 14
An aluminum bar of length 1.30 m is connected to two frictionless vertical conducting rails with loops of
wire, in the presence of a uniform magnetic field of 1.80 T pointing into the page as shown in the figure.
The resistance in the circuit is 35.0 N. When released from rest, the bar quickly reaches a constant
terminal velocity of 6.00 m/s.
mass m
Transcribed Image Text:mass m
length L
(a) What is the direction of the current in the circuit? (Draw it in the figure)
(b) How much current is induced in the circuit?
(c) How much force (magnitude and direction) acts on the bar by the magnetic field?
(d) What is the mass of the bar?
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