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.Management Sciences
A. carbon rod serves as conductor
B. carbon can resist the attack of battery acid
C. both (A) and (B)
D. either (A) or (B)
Related Mcqs:
- Which of the following materials is preferred for transmitting electrical energy over long distance ?
- A. Copper B. Aluminium C. Steel reinforced copper D. Steel reinforced aluminium...
- By increasing impurity content in the metal alloy the residual resistivity always_____________?
- A. decreases B. increases C. remains constant D. becomes temperature independent...
- _________ is an example of piezoelectric material?
- A. Glass B. Quartz C. Corrundum D. Neoprene...
- Which of the following materials does not have covalent bonds ?
- A. Organic polymers B. Silicon C. Metals...
- The conductivity of an extrinsic semiconductor with temperature________________?
- A. decreases B. increases C. remains constant...
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