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10
×
The electric bell will ring even when the switch is open. True or false?
False
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10
×
The space around the magnet where its effect can be felt is called _________.
Magnetic field
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10
×
__________ can be used to remove metallic dust from the wounds.
Electromagnets
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×
monster
Reset all scores!
Oops!
×
fairy
Take points!
5
10
15
20
25
×
rocket
Go to first place!
Okay!
×
thief
Give points!
5
10
15
20
25
10
×
Which type of magnet is used in cranes?
Electromagnets
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×
seesaw
Swap points!
Oops!
×
gift
Win 10 points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
thief
Give points!
5
10
15
20
25
10
×
____________ poles of magnet attract each other.
Unlike
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10
×
Electromagnets are which type of magnets: permanent or temporary?
Temporary Magnets
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10
×
What is the purpose of armature in the electric bell circuit?
To make and break the circuit
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10
×
By using soft iron core electromagnetism can be increased. True or false?
True
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×
boom
Lose 50 points!
Oops!
×
gift
Win 20 points!
Okay!
×
rocket
Go to first place!
Okay!
×
thief
Give points!
5
10
15
20
25
×
seesaw
Swap points!
Oops!
×
gift
Win 20 points!
Okay!
×
gift
Win 10 points!
Okay!
×
thief
Give points!
5
10
15
20
25
10
×
_____________ is the sure test for magnetism.
Repulsion
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10
×
___________ beats the gong until current flows in the circuit?
Striker
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10
×
State the law of magnetism?
Like poles repel unlike poles attract
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10
×
____________ poles of magnet attract each other.
Unlike
Oops!
Check
Okay!
Check
×
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