What happen when two objects have zero/neutral charge?
Two objects with zero net charge do not attract or repel each other.
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15
Electric field lines point towards a _________ charge and away from a ________
Towards a negative, away from a positive.
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eraser
Reset score!
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gift
Win 25 points!
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rocket
Go to first place!
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lifesaver
Give 20 points!
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20
Earthโs geographic north pole is actually a magnetic south pole..... TRUE OR FALSE?
TRUE. Because opposite poles attract, Earth's north magnetic pole is actually a magnetic south pole and Earth's south magnetic pole is a magnetic north pole
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5
What part of the atom is not inside the nucleous?
ELECTRONS
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15
Complete the sentence. An object with an equal number of positive and negative chargesโฆโฆ..
An object with an equal number of positive and negative charges has zero net charge. (We also say that the object is neutral).
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15
Magnetic field lines always form _______ loops
Closed
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15
A motor transfers __________ energy to ___________ energy.
electrical to mechanical
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baam
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gold
Win 50 points!
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gift
Win 20 points!
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baam
Lose 15 points!
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10
What is an electrical safety device that contains a metal wire which melts when too much current flows through it?
Fuse
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20
For the right hand rule, the fingers (not the thumb) represents the direction of the.......
Magnetic Field
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baam
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shark
Other team loses 20 points!
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rocket
Go to first place!
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lifesaver
Give 20 points!
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5
All magnets have ______ opposite poles
Two
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15
What's a insulator?
An insulator is a material through which an electric charge cannot move easily.
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15
What shows the strength and direction of an electric field?
Electric field lines
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15
If a transformer decreases _________, it is called a step down transformer.