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MCQs

Total Questions : 118 | Page 4 of 12 pages
Question 31. Eighttenths coulomb passes a point in 4 s. The current in amperes is
  1.    1.6 A
  2.    16 A
  3.    2 A
  4.    0.2 A
 Discuss Question
Answer: Option D. -> 0.2 A
Question 32. The unit of electrical charge is the
  1.    Coulomb
  2.    Joule
  3.    Volt
  4.    Watt
 Discuss Question
Answer: Option A. -> Coulomb
Question 33. Current flows in a circuit when
  1.    A switch is opened
  2.    A switch is closed
  3.    The switch is either open or closed
  4.    There is no voltage
 Discuss Question
Answer: Option B. -> A switch is closed
Question 34. The conductance of an 8 ohm resistance is
  1.    8 mS
  2.    125 mS
  3.    12 S
  4.    12.5 mS
 Discuss Question
Answer: Option B. -> 125 mS
Question 35. A thermistor is a type of
  1.    switch
  2.    resistor
  3.    power supply
  4.    battery
 Discuss Question
Answer: Option B. -> resistor
Question 36. Electrons in the outer orbit are called
  1.    shells
  2.    nuclei
  3.    waves
  4.    valences
 Discuss Question
Answer: Option D. -> valences
Question 37. Which of the following is not a type of energy source?
  1.    solar cell
  2.    generator
  3.    rheostat
  4.    battery
 Discuss Question
Answer: Option C. -> rheostat
Question 38. When placed close together, two positively charged materials will
  1.    attract
  2.    become negative
  3.    repel
  4.    become neutral
 Discuss Question
Answer: Option C. -> repel
Question 39. A two-terminal variable resistor is known as a
  1.    wiper
  2.    thermistor
  3.    potentiometer
  4.    rheostat
 Discuss Question
Answer: Option D. -> rheostat
Question 40. When the current is 2.5 A, how many coulombs pass a point in 0.2 s?
  1.    12.5 C
  2.    5 C
  3.    1.25 C
  4.    0.5 C
 Discuss Question
Answer: Option D. -> 0.5 C

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