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Questions and Answers
Explain the convention for assigning charge to a glass rod and silk when rubbed together.
The convention states that the charge acquired by a glass rod when rubbed with silk is considered positive.
What kind of charge is expected to be present on the plastic straw based on the observed interaction with the glass rod?
The plastic straw is expected to carry a negative charge.
Describe the observed interaction between a charged glass rod and a charged plastic straw rubbed with polythene.
When a charged glass rod is brought near a charged plastic straw rubbed with polythene, there is attraction between the two.
Explain the relationship between static charges and electric current as mentioned in the text.
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What have you been learning about since class 6 in relation to electric current?
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Describe the motion of charges in a circuit that makes a bulb glow or a wire hot.
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Explain the relationship between static charges and electric current as described in the text.
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What has the reader been learning about since class 6 regarding electric current?
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Describe the role of charges in making a bulb glow or a wire hot as mentioned in the text.
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