Question

Select the correct option in Questions 1 and 2.
Which of the following cannot be charged easily by friction?
(a) A plastic scale
(b) A copper rod
(c) An inflated balloon
(d) Awoollen cloth.
When a glass rod is rubbed with a piece of silk cloth the rod
fa) and the cloth both acquire positive charge.
b) becomes positively charged while the cloth has a negative charge.
(c) and the cloth both acquire negative charge.
(a becomes negatively charged while the cloth has a positive charge.
Write T against true and F against false in the following statements.
(a) Like charges attract each other (T/F)
fb) A charged glass rod attract a charged plastic straw (T/F)
(c) Lightning conductor cannot protect a building from lightning (T/F)
(d) Earthquakes can be predicted in advance (T/F)
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Answer 1

Explanation:

an inflated balloon

glass rod becomes positively charged and the cloth becomes negatively

true

false

true

true

Answer 2

Answer:

i think option C

1) true

2) false

3) true

4) true