Multiple Choice
Electromagnetic induction is best defined as the process by Which a voltage is produced in a conductor When there is:
A) energy produced by the rotating coils.
B) motion around the magnetic fields.
C) motion between the conductor and the magnetic field.
D) motion between the magnetic poles.
Correct Answer:
Verified
Correct Answer:
Verified
Q3: An iron core electromagnet has a higher
Q4: A permanent magnet will retain its magnetism
Q5: A strong magnetic field around a conductor
Q6: The voltage produced by a magnetic field
Q7: An <i>ampere-turn</i> is a unit of _.<br>A)magnetomotive
Q9: The left-hand rule can be used to
Q10: The _ electromagnet cannot be further magnetized.<br>A)open<br>B)shorted<br>C)saturated<br>D)capacitive
Q11: If more turns of Wire are added
Q12: The amount of voltage that is induced
Q13: Reversing the current through an electromagnet _