CET MCQ questions and answers Polytechnic 2015-2016 (Part2)

CET MCQ questions and answers Polytechnic 2015-2016 (Part2)

Previous Year Questions and Answers Year 2015-2016 (MCQ with solutions)

11. The unit of electrical potential is :

• a) Coulomb
• b) Ohm
• c) Joule
• d) Volt

12. Two resistances of 3 and 6 ohms are connected in parallel, the total resistance is :

• a) 6 Ω
• b) 3 Ω
• c) 2 Ω
• d) 1 Ω

13. Which of the following is the unit of electric power :

• a) Joule
• b) Coulomb
• c) Volt
• d) Watt

14. 5 rupees per unit is the cost of domestic electricity This unit is:

• a) 1 Ampere
• b) 1 Volt
• c) 1 KWh
• d) 1 Joule

15. The resistance of an ideal voltmeter will be :

• a) Zero
• b) Infinite
• c) More than Zero
• d) Less than infinity

16. Appliances based on the heating effect of current work on :

• a) d.c. only
• b) a.c. only
• c) Both a.c and d.c.
• d) None of these

17. An electric bulb marked 60W and 100W. During consumption the amount of electric current would be :

• a) 0.6 Amp
• b) 6 Amp
• c) 1.6 Amp
• d) 0.06 Amp

18. The device which converts electrical energy to mechanical energy is known as :

• a) Generator
• b) Electric Motor
• c) Refrigerator
• d) None of these

19. One kilowatt/hour equals :

• a) 36 * 10⁵ Joule
• b) 36 * 10³ Joule
• c) 10³ Joule
• d) 10⁵ Joule

20. One volt is equal to :

• a) 1 Joule
• b) 1 Newton/Coulomb
• c) 1 Joule/Coulomb
• d) 1 Newton/second