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Daily Quiz
Electricity & Magnetism
How well do you know the concepts of electricity and magnetism?
Fun:
(2.53)
Difficulty:
(0.96)
Quiz ID: #15478
Category:
Science
>
Physics
Submitted By:
Carlos16
Question #1
What is an electric charge?
A material that transfers a charge easily
An imbalance of electrons and protons
The force of attraction or repulsion between objects due to charge
A material that does not transfer a charge easily
Question #2
Which of the following is a solution that conducts electricity in a cell?
Grounding
Current
Electrolyte
Resistor
Question #3
What is an insulator?
The rate that electric charges move through a conductor
The force of attraction or repulsion between objects due to charge
A device that converts chemical energy into electrical energy
A material that does not transfer a charge easily
Question #4
A fuse is a device that contains a metal strip that melts when the current in the circuit becomes too great.
True
False
Question #5
Two wires sometimes touch, creating an unsafe pathway for currents. This is called a/an ______.
Short circuit
Electric power
Electric circuit
Parallel circuit
Question #6
If a magnet is cut, how many poles will each half have?
One
Two
Three
Four
Question #7
The strength of a solenoid's magnetic field can be increased by inserting an iron rod through the center of the coils.
True
False
Question #8
Conventional current is defined as movement of ________ charge.
Positive
Negative
Neutral
Question #9
What is an electric motor?
A device that uses magnetic force to cause motion
A region where a magnetic force can be detected
A device used to measure current in ammeters and voltage in voltmeters
None of the above
Question #10
In a speaker, changing the direction of the current in the coil of wire produces movement in the attached paper cone, producing sound waves.
True
False
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