What is a coil of many circular turns of insulated copper wire wrapped closely in the shape of a cylinder called?
Physics Quiz: Magnetic Field and Electric Motors

Quiz
•
Physics
•
10th Grade
•
Medium
Prashanth G
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Capacitor
Resistor
Transformer
Solenoid
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the pattern of the magnetic field lines inside a current-carrying solenoid?
Parallel straight lines
Circular lines
Radial lines
Irregular lines
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the magnet formed when a piece of soft iron is placed inside a solenoid?
Electromagnet
Permanent magnet
Bar magnet
Horseshoe magnet
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who suggested that the magnet must exert an equal and opposite force on the current-carrying conductor?
Andre Marie Ampere
James Clerk Maxwell
Michael Faraday
Nikola Tesla
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the rule used to find the direction of the force on a current-carrying conductor in a magnetic field?
Ohm's law
Fleming's right-hand rule
Fleming's left-hand rule
Newton's first law
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What device reverses the direction of flow of current through a circuit in an electric motor?
Brush X
Brush Y
Split ring
Axle O
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is used in commercial motors in place of a permanent magnet?
Horseshoe magnet
Bar magnet
Neodymium magnet
Electromagnet
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