Physics
Fuse wire is made of an alloy of

Lead and Copper
Tin and Copper
Copper and Silver
Tin and Lead

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Physics
A boy is swinging a ball attached to a string in a horizontal circle. If the string snaps

It will fall down at the same place where the string breaks
It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down
None of these
The ball will travel towards the center of the circle and fall down

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