Single Answer MCQ
Q-00019644
How does the presence of a magnetic field affect an electric current in a conductor?
1
It has no effect
2
It slows down the current
3
It causes deflection of the current
4
It increases voltage
Answer and Solution
Answer
C. It causes deflection of the current
Solution:
A magnetic field affects the moving charges in a conductor, causing them to be deflected. This principle is the basis for devices like electric motors which work on the interaction of electric current and magnetic fields.
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