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eraser
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gift
Win 5 points!
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gift
Win 20 points!
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thief
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25
15
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If an iron rod is buried inside the earth keeping it along the north-south direction. What will happen to the metal?
It will turn into a weak magnet, if the earth behaves as a magnet.
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15
×
I- shaped magnet is made of what substance?
Soft iron
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15
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Identify the phenomenon
Magnetic induction
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15
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What kind of magnet is this?
permanent magnet
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lifesaver
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star
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gift
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baam
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10
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Magnetism acquired by induction is purely _______________
Temporary
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10
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What direction does the tangent at any point on a field line give?
Direction of the magnetic field
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15
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Permanent magnet is made up of what substance?
Steel
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baam
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magnet
Take 20 points!
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rocket
Go to first place!
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lifesaver
Give 25 points!
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15
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How can the polarity of the electromagnet be reversed?
by reversing the direction of the current in is solenoid
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What will happen to the compass needle if placed at the neutral point?
It will rest in any direction
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15
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Two places where the magnetic needle becomes vertical is termed as?
Magnetic Poles
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The line joining the places where magnetic needle becomes horizontal, is termed as?
Magnetic equator
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seesaw
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magnet
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fairy
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25
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baam
Lose 25 points!
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10
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Magnetic field lines are directed in which direction outside the magnet?
north pole to the south pole
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