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Electromagnetic induction

Electromagnetic induction
The polarity of the induced voltage can be determined by using the left-hand generator rule.

No
Yes

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Electromagnetic induction
A moving magnetic field will produce the same effect as a conductor that is moving.

False
True

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Electromagnetic induction
Two 300 uH coils in series without mutual coupling have a total inductance of

600 uH
1200 uH
900 uH
300 uH

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Electromagnetic induction
Which circuit element(s) will oppose the change in circuit current?

Resistance only
Capacitance only
Inductance only
Inductance and capacitance

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Electromagnetic induction
Two coils have inductances of 8 mH and 18 mH and a coefficient of coupling of 0.5. If the two coils are connected in series aiding, the total inductance will be

30 mH
38 mH
36 mH
48 mH

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Electromagnetic induction
A conductor carries 125 amperes of current under 60° to a magnetic field of 1.1 tesla. The force on the conductor will be nearly

120 N
90 N
30 N
60 N

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