According to Lenz’s law, if a magnet is moved away from the coil, which pole should be produced in the core by the current in order to resist the movement of magnet?
A. North pole
B. South pole
C. Both a and b
D. None of the above
Answer:B
According to Lenz’s law, if a magnet is moved away from the coil, which pole should be produced in the core by the current in order to resist the movement of magnet?
A. North pole B. South pole C. Both a and b D. None of the above