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MCQ – Basic Electrical
#2. One coulomb of charge is equal to the charge on?
#3. The quantity of electric current which may give painful electric shock?
#4. The specific resistance of a wire depends upon?
#6. Which material has negative temperature coefficient of resistance?
#7. The resistance of a wire depends upon?
#8. The reciprocal of resistance of a conductor is called?
#9. If three resistor of 4 Ω are connected in parallel, find the effective resistance?
#10. The resistance of a wire is R ohms. it is stretched to double its length. The new resistance of the wire is?
#11. Temperature coefficient of Eureka is?
#12. 2 ohm resistance having current of 2A will dissipate the power of?
#13. If the diameter of a wire is doubled keeping the length constant the resistance ?
#14. Form factor is the ratio of?
#15. The unit of inductance is ?
#16. The resistance of a conductor is independant of....?
#17. Conductors having temperature coefficient of resistance is....?
#18. A length of wire has resistance of 8 ohms. the resistance of wire of the same material three times as long and twice the cross sectional area will be....?
R2 = 1.5×8=12 ohms
#19. Which is the best conductor?
#20. Ohm's law is applicable to ......?
#21. Two wires of A and B the same material and length of l and 2l have radius r and 2r respectivily. the ratio of their specific resistance is....?
#22. Which of the following factor does not depend on resistance of the conductor?
#23. The equivalent resistance of the parallel circuit is ...... than the smallest single resistance?
#24. The total value of two resistance is 25 ohm when connected in series and 6 ohm when connected in parallel. find the value of two resistance?
#25. What is the use of eureka wire?
#26. What is the unit of work done in SI units?
#27. One watt is define as.....?
#28. The commercial unit of electric energy......?
#29. An electric installation consists of 10 light points of 60 watts each, used for only one second. what is the consumed power?
#30. The resistor element used in fan regulator is.....?
#31. Cells are connected in series to..... ?
#32. Electric intensity is expressed as.....?
#33. 2 ohm resistance having current of 2A will dissipate the power of.....?
#34. If the diameter of a wire is doubled keeping the length constant the resistance....?
#35. 1 Joule/Second is equal to......?
#36. Form factor is the ratio of.....?
#37. High rate discharge tester consists of....?
#38. Application of series parallel combination...?
#39. 1 Joule/Second is equal to......?
#40. 1KWh =......Joules ?
#41. Barrier potential of silicon at room temperature of 25°C is......?
#42. Which material is used for making resistors of loading rheostat?
#43. Earthing is necessary to give protection against....?
#44. Electric charge, Q=......?
#45. One coulomb charge is equal to the charge of about……electrons?
#46. The SI unit of pottential difference is....?
#47. You are testing an energy meter of 240 V, 50 Hz, 5A, 750 rev/kWh, for its performance with some load. When the disc rotates 100 revolutions in 10 minute, hat is the energy supplied?
#48. The motion of charged particle is called....?
#49. Hydrel Power station converts...?
#50. The single phase domestic AC power supply voltage in india is....?
#51. Solder is a special mixture of...?
#52. Good conductor of electricity is....?
#53. The force of attraction or repulsion between charges depends on.....?
#54. VOM meter measure.......?
#55. A wire in which the conductor has a break will have....?
#56. Which resistor is commonly used for general purpose applications?
#57. Find the resistor value of a resistor contain colour bands are Brown Black Black Silver?
#58. For measuring an unknown resistance, initially choose...?
#59. For measuring an unknown resistance, initially choose...?
#60. The total resistane of 30 ohms and 40 ohms are connected in parallel is.....?
#61. A network having one or more than one source of emf is known as...... network?
#62. Which of the following is an active element in a circuit?
#63. Thermocouple is based on....?
#64. The unit of inductance is....?
#65. The electric field inside a perfectly conducting media is....?
#66. The total resistane of 30 ohms, 50 ohm and 40 ohms are connected in series is.....?
#67. The reciprocal of resistance is called....?
#68. The unit of frequency is...?
#69. SWG is used to measure....?
#70. Resistance of a copper wire is R, four such wires with the same crosssectional area but twice the length are connected in parallel, the net resistance is...?
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