Lakshya Education MCQs

Question: Which elements are malleable and good conductors of electricity?
A.Tin and silver
B.Iodine and silver
C.Tin and xenon
D.Iodine and xenon
Answer: Option A

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More Questions on This Topic :

Question 1. If electric resistance is to be decreased, then the number of resistances should be connected in ________
  1.    Series
  2.    Parallel
  3.    Mixed arrangement
  4.    None of these
Answer: Option B
Question 2. What is the resistance (in ohm) of an electrical component if a current of 0.1 A passes through it on application of 5 V of potential difference across it?
  1.    0.5
  2.    100
  3.    50
  4.    1
Answer: Option C
Question 3. Ampere second could be the unit of
  1.    Power
  2.    Energy
  3.    Conductance
  4.    Charge
Answer: Option C
Question 4. What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel?
  1.    50
  2.    12
  3.    24
  4.    36
Answer: Option B
Question 5. Which one of the following is an ohmic conductor?
  1.    Germanium
  2.    Silicon
  3.    Carbon
  4.    Silver
Answer: Option D
Question 6. The resistance of a conductor is inversely proportional to its:
  1.    Length
  2.    Resistivity
  3.    Temperature
  4.    Area of cross section
Answer: Option D

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