Lakshya Education MCQs

Question: The metal having the lowest temperature coefficient of resistance is
Options:
A.Gold
B.Copper
C.Aluminium
D.Kanthal
Answer: Option A

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More Questions on This Topic :

Question 1. A perfect conductor has
  1.    Zero conductivity
  2.    Unity conductivity
  3.    Infinite conductivity
  4.    None of the above
Answer: Option C
Question 2. For a particular material the Hall coefficient was found to be zero. The material is
  1.    Insulator
  2.    Metal
  3.    Intrinsic semiconductor
  4.    None of the above
Answer: Option B
Question 3. Total number of crystal systems is
  1.    2
  2.    4
  3.    7
  4.    12
Answer: Option C
Question 4. The current due to electron flow in conduction band is the hole current in valence band.
  1.    Equal to
  2.    Less than
  3.    Greater than
  4.    Any of the above
Answer: Option C
Question 5. Carbon resistors are used extensively because they are
  1.    Easy to make
  2.    Compact
  3.    Inexpensive
  4.    All of the above reasons
Answer: Option D
Question 6. Which of the following affect greatly the resistivity of electrical conductors?
  1.    Composition
  2.    Pressure
  3.    Size
  4.    Temperature
Answer: Option A

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