Question : A kilowatt-hour is a unit of

Option 1: energy

Option 2: power

Option 3: electric charge

Option 4: electric current

Question : What type of energy conversion takes place in a battery?

Option 1: Chemical energy into light energy

Option 2: Chemical energy into electrical energy

Option 3: Mechanical energy into chemical energy

Option 4: Chemical energy into sound energy

Question : Which of the following is correctly matched?

Option 1: Electric force - kilowatt minute

Option 2: Electric potential - kilowatt seconds

Option 3: Electric energy - kilowatt-hour

Option 4: Electric power - kilohour

Question : Directions: In the following question, select the related word from the given alternatives.
Ampere : Electric Current :: Fathom : ?

Option 1: Depth of Water

Option 2: Frequency

Option 3: Sound level

Option 4: Work or Energy

Question : Conversion of sound energy into electrical energy is done by:

Option 1: Solar cell

Option 2: Gramophone

Option 3: Microphone

Option 4: Loudspeaker