Short answer type questions
Question 1. What do you understand by the good and bad conductors of electricity? List some examples of each
Question 2. List the names of some liquids that conduct electricity.
Question 3. Why the water from taps is considered a good conductor of electricity?
Question 4. What are the chemical effects of current?
Question 5. What are electrodes?
Question 6. Illustrate the set-up which shows current passing through the water.
Question 7. How will you prove that potato conducts electricity?
Question 8. Write the construction of LED.
Question 9. Write the harmful effect of electroplating done in factories.
Question 10. How can be the magnetic effect currently used as a tester?
Long answer type questions
Question 1. What is a LED? Write its uses.
Question 2. What is electroplating? Explain how it is done with the help of copper plates.
Question 3. How will you test the conduction of electricity in lemon juice?
Question 4. Explain the process of electroplating. Write its uses.
Question 5. Illustrate and explain a simple circuit showing electroplating.