Q1. What is the effect of rubbing the shoe on ground?
Negative charge gets accumulated on John, which is fixed
Negative charge gets accumulated on John, which increases with time
Negative charge gets accumulated on John, which increases as the foot is rubbed more and more
There is no effect
Q2. Which charge gets accumulated on the body in this case?
Alternately positive and negative
Q3. Rub the shoe on ground three times, and bring John’s hand near to knob. What happens when John touches the metal knob?
The charges are thrown from John's body to the metal knob
The accumulated charge conducts through his finger to the earth
John is making noise just for dramatisation
Q4. What is the effect of increasing distance between his hand and metal knob?
More the distance, more is the charge that can get stored on his body
More the distance, less is the charge that can get stored on his body
Q5. Find out when a glass rod is rubbed with silk, it
Gains electrons from silk
Gives electrons to silk
Gains protons from silk
Gives protons to silk
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