Problem 4 A conducting rod is moving on the rails as shown in the figure below. Consider B = 0.776 T, 1 = 11 cm, and v= 9 m/s. It is assumed that the resistances of the rod and the rails are negligible. 1 a) R= X c) X X X B X X X X X X X X X X X R b) If u changes so that the power dissipated in the resistor is 0.0131 W and the induced current is I = 0.0171 A, calculate R. Find the magnitude of the induced emf in the circuit. What is the direction of the induced current in the circuit?
Problem 4 A conducting rod is moving on the rails as shown in the figure below. Consider B = 0.776 T, 1 = 11 cm, and v= 9 m/s. It is assumed that the resistances of the rod and the rails are negligible. 1 a) R= X c) X X X B X X X X X X X X X X X R b) If u changes so that the power dissipated in the resistor is 0.0131 W and the induced current is I = 0.0171 A, calculate R. Find the magnitude of the induced emf in the circuit. What is the direction of the induced current in the circuit?
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Transcribed Image Text:Problem 4
A conducting rod is moving on the rails as shown in the figure below. Consider B = 0.776
T₁/= 11 cm, and v= 9 m/s. It is assumed that the resistances of the rod and the rails are
negligible.
1
R=
X
c)
X
X
B
X
X
X
X
X X
X X
X X X X
R
a)
|el =
b)
If u changes so that the power dissipated in the resistor is 0.0131 W and the
induced current is I = 0.0171 A, calculate R.
Find the magnitude of the induced emf in the circuit.
What is the direction of the induced current in the circuit?
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