Rajasthan Public Service Commission RPSC Exam study material | previous year model question papers with answers pdf free download | www.rpsc.rajasthan.gov.in



RPSC Exam study material free download pdf free download | Aptitude tricks and tips, RPSC Exam objective type questions model question paper with answer pdf free download

General Knowledge Questions and Answers on Energy

#   The capacity to do work is known as?
Answer: Energy


#   Law of conservation of energy is introduced by?
Answer: Einstein


#   Prime source of energy?
Answer: Sun


#   Instrument used to convert mechanical energy into electrical energy?
Answer: Dynamo, Generator


#   Instrument used to convert chemical energy into electrical energy?
Answer: Cell


#   …………… convert electrical energy into light energy?
Answer: Electric bulb


#   Solar energy can be converted into electrical energy using?
Answer: Solar cell


#   Solar cells are made of?
Answer: Semiconductor materials


#   Semiconductors of solar cells are made with?
Answer: Germanium and Silicon