Physics
Thermocouple consists of
Two dissimilar metals
Two similar metals
Metal and a semiconductor
Metal and an insulator
Two dissimilar metals
A thermocouple consists of two dissimilar metals, joined together at one end. When the junction of the two metals is cooled or heated a voltage is produced that can be correlated back to the temperature. Most thermocouple alloys are commonly available as wire.
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B. Intensity of Flame
C. Angle
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Flemings ”Left hand Rule” is associated with the effect of
A. Electric field on current
B. Magnetic field on magnet
C. Electric field on magnet
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The sky appears blue due to
A. Rayleigh scattering
B. Mie scattering
C. Back scattering
D. None of the above
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Which elements are malleable and good conductors of electricity?
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B. Iodine and silver
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B. Refracted
C. Diffracted
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Mach number is used in connection with the speed of
A. sound
B. aircraft
C. spacecraft
D. ships
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