Basic Electrical Engineering objective questions (mcq) and answers
11. Which of the following materials has the least resistivity?
A. Zinc
B. Lead
C. Mercury
D. Copper
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D. Copper
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12. Which of the following can have negative temperature coefficient ?
A. Compounds of silver
B. Liquid metals
C. Metallic alloys
D. Electrolytes
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13. Which of the following method can be used for absolute measurement of resistance?
A. Lorentz method
B. Releigh method
C. Ohm's law method
D. Wheatstone bridge method
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14. Which of the following does not have negative temperature co-efficient ?
A. Aluminium
B. Paper
C. Rubber
D. Mica
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15. Which is the best conductor of electricity?
A. Iron
B. Silver
C. Copper
D. Carbon
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