Related Questions

Which of the following sentences are true? a. In resistive thermometer, the change in resistance of material per unit change in temperature should be as small as possible. b. Thermometers are semiconductors which behave as resistors with high positive temperature coefficient. c. Thermometers are composed of metallic oxides. d. Thermometers are used for the measurement of level flow and pressure of fluids.
Two statements are given followed by two conclusions numbered I and II. Assuming the statements to be true, even if they seem to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: All thermometers are rockets. All equipment are thermometers. Conclusions: I. Some rockets are equipment. II. Some rockets are thermometers.
In thermometers, usually mercury is used for a broad range of temperature measurements but in very cold countries alcohol is used in the thermometers. This is because of which of the following reasons?
The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly
Working principle of bimetallic thermometers is difference in linear co-efficient of thermal expansion of two strips of different metals welded together. Which of the following has the maximum thermal co-efficient of linear expansion?
Bimetallic strips are employed in ________ thermometers.
Which the following factor causes gas thermometers to be more sensitive than the liquid thermometers?
Gas thermometers are more sensitive than the liquid thermometers because the gases
The high expansion metal normally used in the bimetallic thermometer is __________ temperature measurement.
Consider the following statements in connection with deflection-type and null-type instruments: 1. Null-type instruments are more accurate than the deflection-type ones. 2. Null-type of instrument can be highly sensitive compared to a deflection-type instrument. 3. Under dynamic conditions, null-type instruments are less preferred to deflection-type instruments. 4. Response is faster in null-type instruments as compared to deflection-type instruments. Which of the above statements are correct?