A. transformer, motor and generator windings
B. transmission and distribution lines
C. house wiring
D. all above applications
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Related Mcqs:
- High resistivity materials are used in_____________?
- A. precision instruments B. heating elements C. motor starters D. incandescent lamps E. all of the above...
- On which of the following factors does the resistivity of a material depend ?
- A. Resistance of the conductor B. Area of the conductor section C. Length of the conductor D. All of the above...
- By increasing impurity content in the metal alloy the residual resistivity always_____________?
- A. decreases B. increases C. remains constant D. becomes temperature independent...
- Which of the following affect greatly the resistivity of electrical conductors ?
- A. Composition B. Pressure C. Size D. Temperature...
- Addition of 0.3 to 4.5% silicon to iron ________ the electrical resistivity of iron?
- A. increases B. decreases C. does not change...
- The resistivity of a metal is a function of temperature because_____________?
- A. the amplitude of vibration of the atoms varies with temperature B. the electron density varies with temperature C. the electron gas density varies with temperature...
- Which of the following factors affect resistivity of metals ?
- A. Age hardening B. Alloying C. Temperature D. Cold work E. All of the above...
- Which of the following materials does not have covalent bonds ?
- A. Organic polymers B. Silicon C. Metals...
- Which of the following materials is the best conductor of electricity ?
- A. Tungsten B. Aluminium C. Copper D. Carbon...
- Effect of moisture on the insulating materials is to________________?
- A. decrease dielectric constant B. decrease dielectric strength C. decrease insulation resistance D. increase dielectric loss E. all of the above...
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