A. Composition
B. Pressure
C. Size
D. Temperature
Correct Answer: Composition ✔
Last Updated: December 22, 2018
Related MCQs
- __________ is a hard solder?
- Most of the common metals have _________ structure?
- Addition of 0.3 to 4.5% silicon to iron ________ the electrical resistivity of iron?
- Thermonic emission occurs in__________?
- A good electric contact material should have all of the following properties except__________?
- _________ is an example of piezoelectric material?
- Piezoelectric materials serve as a source of __________ ?
- __________is viscoelastic?
- Solder is an alloy of__________?
- In thermocouples which of the following pairs is commonly used ?
- Carbon electrodes are not used in__________?
- __________ is most commonly used for making magnetic recording tape?
- __________ is the main constituent of glass?
- Overhead telephone wires are made of__________?
- Which of the following variety of copper has the best conductivity ?
- Which of the following is the poorest conductor of electricity ?
- Constantan contains__________?
- The structure sensitive property of a super conductor is__________?
- The transition temperature of mercury is__________?
- At transition temperature the value of critical field is__________?
- By increasing impurity content in the metal alloy the residual resistivity always__________?
- The coils of D.C. motor starter are wound with wire of__________?
- An H.R.C. fuse is__________?
- The conductors have transport phenomena of electrons due to__________?
- Which of the following resistive materials has the lowest temperature co-efficient of resistance ?
- Mercury as an electric contact material is__________?
- On which of the following factors does the resistivity of a material depend ?
- The value of critical field below the transition temperature will__________?
- Superconductivity is observed for__________?
- highest conductivity__________?
- High resistivity materials are used in__________?
- In a superconductor the value of critical density depends upon__________?
- The conductivity of a conductor can be increased by__________?
- The superconductivity is due to__________?
- Superconductors are becoming popular for use in__________?
- Which of the following materials is preferred for transmitting electrical energy over long distance ?
- A highly conductive material must have__________?
- The co-ordination number of a simple cubic structure is__________?
- The metal having the lowest temperature coefficient of resistance is__________?
- The kinetic energy of a bounded electron is__________?
- Commonly used conducting materials are__________?
- A perfect conductor has__________?
- The formula __________ determines the number of electrons that can be accommodated in any level?
- The converse of hardness is known as__________?
- is a negatively charged particle present in an atom__________?
- The tiny block formed by the arrangement of a small group of atoms is called the__________?
- The covalent bond is formed by__________?