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Question

What will happen if the guy in our example, who picks up balls from below and puts it on top of the C-shaped tube, stops doing his job?


A

The current of the balls will stop

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B

The current of the balls will continue

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C

The balls will start going backwards

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D

There will be no change in the behaviour of the given example.

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Solution

The correct option is A

The current of the balls will stop


The balls move to fill the 'gap' created by our guy when he picks one up from the bottom. The current will stop as there would be no more 'gap' to fill and the balls would remain stationary.


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