Concept explainers
To Explain: The effect on current and emf when a wire moves in a magnetic field.
Answer to Problem 66A
When a wire moves in a magnetic field, the resistance of circuit that is closed will affect the current only.
Explanation of Solution
Introduction:
Resistance is defined as the opposition of current. The resistance of the circuit will not affect the EMF but it will affect the current of the circuit.
When the wire moves in the field the resistance of the circuit affects the current but not the EMF produced by the current.
Conclusion:
Hence, when a wire moves in a magnetic field the resistance of circuit that is closed will affect only the current.
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