5690.A TV camera
Converts light impulses into sound
Converts light impulses into electrical impulses
Convert electrical impulses in to light impulses
Converts electrical impulses into sound
5691.Which is at the apex of the three tier system of Panchayati Raj system ?
Gram Sabha
Gram Panchayat
Zila Parishad
Panchayat Samiti
5693.The gas used refrigerant for refrigerator is
Freon gas
Ammonia gas
Liquid Oxygen
Liquid Nitrogen
5697.Which one converts electrical energy into mechanical energy ?
Dynamo
Transformer
Electric motor
Inductor