Which of the following can have negative temperature coefficient?
A. Compounds of silver
B. Liquid metals
C. Metallic alloys
D. Electrolytes
A. Compounds of silver
B. Liquid metals
C. Metallic alloys
D. Electrolytes
A. 10-8 mm
B. 10″6 cm
C. 10″10 m
D. 10~14 m
A. positive temperature coefficient
B. negative temperature coefficient
C. zero temperature coefficient
D. variable temperature coefficient
A. resistance: ohm
B. capacitance: henry
C. inductance: farad
D. lumen: steradian
A. 1 n-mho
B. 106 mho
C. 1 milli-mho
D. none of the above
A. one watt
B. one joule
C. five joules
D. one joule second
A. 3
B. 4
C. 6
D. 7
A. lead and zinc
B. chromium and vanadium
C. nickel and chromium
D. copper and silver
A. charcoal
B. silicon carbide
C. nichrome
D. graphite