Electromagnetism
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- 1.What is an Alternating Current?
- A.
An electric Current that changes its direction.
- B.
An Electric Charge that doesn't change its path.
- C.
An electromagnetic wave.
- D.
None of the above
- 2.What is a Domain composed of?
- A.
Atoms
- B.
Energy
- C.
Electricity
- D.
None of the above
- 3.An electric motor converts electrical energy to __________ energy
- A.
Potential
- B.
Kinetic
- C.
Both a and b
- D.
None of the above
- 4.What is the power level of an Electromagnet?
- A.
Strong
- B.
Weak
- C.
Medium
- D.
Nuclear
- 5.What is Electromagnetic Induction?
- A.
The production of a current in a circuit by a change in strength.
- B.
Region where a force can be detected
- C.
Both a and b
- D.
None of the above
- 6.What does a Galvanometer measure?
- A.
The amount of current in a circuit
- B.
The amount of votage in a circuit
- C.
The amount of electrical power in a region
- D.
None of the above
- 7.What does a generator switch?
- A.
Energy types
- B.
Direction
- C.
Both a and b
- D.
None of the above
- 8.What is a magnetic field?
- A.
An area where a magnetic force can be detected
- B.
Where you play magnetic ball
- C.
Both a and b
- D.
None of the above
- 9.What is a solenoid?
- A.
A coil of insulated wire
- B.
An asteroid in outer space
- C.
Both a and b
- D.
None of the above
- 10.What does a transformer change?
- A.
Voltage
- B.
Mass
- C.
Weight
- D.
None of the above
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