Consider the following statements:1. Metal conductors have more R(resistance) at higher temperatures.2. Tungsten can be used as a resistance wire.3. A superconductive material is one that has practically zero resistance.Which of the above statements are correct?

Consider the following statements:1. Metal conductors have more R(resi

1.	Consider the following statements:1. Metal conductors have more R(resistance) at higher temperatures.2. Tungsten can be used as a resistance wire.3. A superconductive material is one that has practically zero resistance.Which of the above statements are correct?
A.	1 and 2 only
B.	1 and 3 only
C.	2 and 3 only
D.	1, 2 and 3
Answer» E.

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Consider the following statements:1. Metal conductors have more R(resistance) at higher temperatures.2. Tungsten can be used as a resistance wire.3. A superconductive material is one that has practically zero resistance.Which of the above statements are correct?

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