Thermistors are
A) Clad metals used in accurate measurement of temperature changes
B) Semi-conductor materials having large negative coefficient of resistance
C) Materials highly sensitive to temperature changes
D) Used for measurement of thermal properties
E) Bimetallic strips used in thermometers
Correct Answer:
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A)For heavy loading
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A)Gas welding
B)DC
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A)The method of determining alloying elements
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