At one time it was thought that electric charge was a weightless fluid. An exces

Question

At one time it was thought that electric charge was a weightless fluid. An excess of this fluid resulted in a positive charge; a deficiency resulted in a negative charge. Describe at least one experiment for which this hypothesis provides a satisfactory explanation.

Check all that apply.

Check all that apply.

Show the difference between charged objects and magnets:

-can be positive or negative

-attracts or repels a non-metallic magnet

-does not attract or repel a charged object

-always has two poles: the north and the south

-attracts or repels a charged object

If you rub a balloon with a wool scarf, the balloon and the scarf attract. Two balloons rubbed by a wool scarf repel they have a like charge. A positively charged metal ball A is placed near an uncharged metal ball B, the ball A and the ball B attract. A positively charged metal ball A is placed near an uncharged dielectric ball B, the ball A and the ball B attract.

Explanation / Answer

by friiction opposite cgarges are induced on those objects which are in contact

like charges repel each other and unlike charges attract each other

So the followingstatements are

If you rub a balloon with a wool scarf, the balloon and the scarf attract.
   
Two balloons rubbed by a wool scarf repel they have a like charge.
   
A positively charged metal ball A is placed near an uncharged dielectric ball B, the ball A and the ball B attract.

differences are

charged objects can be positive or negative

magnets always has two poles the north and the south

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