Question

1. Which of the following cannot be charged with static electricity:
(a) Metal
(b) Conductor
(c) Alloy
(d) Semiconductor​

Answer 1

semiconductor cannot be charged with static electricity:

Answer 2

Metals, alloy, conductor and semiconductors cannot charged by static electricity because they are enable to pass electricity.

Metals

• These are good solid material which is able to conduct heat and electricity.
• Metals have tendency to donate electrons .
• They are electropositive .
• Group-I and Group-II in modern periodic table are all metals .
• Example-Sodium , potassium, calcium, Magnesium etc.

Alloy

• Alloys are the metallic substance which are composed of two or more elements.
• Example-
• Steel- Alloy of iron and carbon.
• Bronze - Alloy of tin and copper.
• Nichrome- Alloy of nickel and chromium.

Conductor

• Substance those allows heat and electricity passes from them .
• Example- Copper, gold etc are good conductor of heat and electricity.

Insulator

• Substance that doesn't allow heat and electricity to pass through them .
• Example- Rubber etc.

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