Electromagnetism Exit ticket
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Last updated 10 months ago
12 questions
1
What energy conversion takes place in a motor?
What energy conversion takes place in a motor?
1
The direction of rotation of a dc motor can be changed by
The direction of rotation of a dc motor can be changed by
2
Which of the following is not a function of the split-ring commutator?
Which of the following is not a function of the split-ring commutator?
2
A straight current-carrying conductor is carrying electrons into the page. What is the direction of the magnetic field around the conductor?
A straight current-carrying conductor is carrying electrons into the page.
What is the direction of the magnetic field around the conductor?
2
A stream of protons is being carried in a channel that goes perpendicularly into the page.What is the direction of the magnetic field around the channel?
A stream of protons is being carried in a channel that goes perpendicularly into the page.
What is the direction of the magnetic field around the channel?
2
A straight current-carrying conductor is carrying conventional current out of the page. What is the direction of the magnetic field around the conductor?
A straight current-carrying conductor is carrying conventional current out of the page.
What is the direction of the magnetic field around the conductor?
2
In which direction is this wire moving?
In which direction is this wire moving?
2
In what direction does this motor turn?
In what direction does this motor turn?
2
Where will the induced North pole of this solenoid be relative to the solenoid?
Where will the induced North pole of this solenoid be relative to the solenoid?
2
When a bar magnet is pushed N pole first into a solenoid, the needle of a galvanometer connected to the solenoid moves to the right. The needle will move to the left when the magnet is then .... (select all that may apply)
When a bar magnet is pushed N pole first into a solenoid, the needle of a galvanometer connected to the solenoid moves to the right.
The needle will move to the left when the magnet is then .... (select all that may apply)
1
Flux depends on ....
Flux depends on ....
1
The magnitude of any induced emf is proportional to
The magnitude of any induced emf is proportional to