Class 10th Science Electricity MCQ Test 2

Electricity MCQ Test-2

Name: Class:

1. If the resistance of your body is 100000 ohm, what would be the current that flows in your body when you touch the terminals of a 12 volt battery? [NTSE]

A. 10×10-⁵ A B. 14×10-⁵ A C. 12×10-⁵ A D. None of these

2. Specific resistance of wire

A. increases with increase in temperature B. decreases with increase in temperature C. is independent of temperature D. first increases then decreases with increase in temperature

3. In which of the following cases Ohm's law is not applicable?

A. arc lamp B. insulator C. electrolytes D. metals

4. At very low temperature the resistance of some substance becomes zero, then the substance are called

A. bad conductors B. semiconductors C. good conductor D. superconductors

5. Which of the given is the SI unit of electric current?

A. Volt B. Faraday C. Ohm D. Ampere