Physics · Electrostatics
Which of the following statements is true regarding static electricity and electrostatic forces?
- 1A copper rod can be easily charged by friction while holding it by hand.
- 2When a glass rod is rubbed with silk cloth, the cloth gets positively charged.
- 3A lightning conductor is incapable of protecting a building from lightning.
- 4A charged glass rod attracts a charged plastic straw.✓
Correct answer
A charged glass rod attracts a charged plastic straw.
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