Physics General Knowledge Questions and Answers Part II ======================= 11. The instrument used to measure electric current in a circuit is called? Answer: Ammeter 12. Unit of electric potential? Answer: Volt 13. Commercial unit of electricity? Answer: KWH (Kilowatt Hour) 14. An instrument used to measure the electrical energy consumed in Kwh? Answer: Watt-hour meter 15. The potential difference measured in volt is called? Answer: Voltage 16. The EMF of a dry cell is: Answer: 1.5 volt 17. The source of EMF containing two or more cells is called? Answer: Battery 18. The electric current which changes its direction at regular intervals of time? Answer: Alternating Current (AC) 19. Voltage of AC in our household circuit? Answer: 230 V 20. Electric current flowing always in the same direction? Answer: Direct Current (DC) 21. The reaction in torch cell is? Answer: Electrochemical 22. ‘Hydro power’ is the term used for electricity produced through? Answer: Water Share it With Each Other...
Posted on: Tue, 01 Jul 2014 16:00:00 +0000
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