Answer the following question:
What is electric potential?

Answer the following question: What is electric current?

Answer the following questions: What is speed?

Answer the following questions: What is wave?

Answer the following question: Define electric potential difference.

Answer the following question: What is meant by potential difference?

Answer the following question: What is (electric) resistance?

Answer the following question: Is the electric potential difference across each appliance(in a domestic electric circuit) the same?

Answer the following questions : What is retina ?

Answer the following questions: What is velocity ?