Asked by jacob
The lightbulb in the circuit shown in the figure has a resistance of 14 Ω and consumes 4.2 W of power; the rod is 1.18 m long and moves to the left with a constant speed of 2.9 m/s . The strength of the magnetic field is 2.2 T .
Find the current that flows in the circuit.
What speed must the rod have if the current in the circuit is to be 1.3 A?
Find the current that flows in the circuit.
What speed must the rod have if the current in the circuit is to be 1.3 A?
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