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MCQs

Total Questions : 199 | Page 15 of 20 pages
Question 141. . A switch is a device that:
  1.    short circuits complex circuits
  2.    holds a fuse
  3.    has double poles
  4.    opens or completes a current path
 Discuss Question
Answer: Option D. -> opens or completes a current path
Question 142. . 
Which unit of charge contains 6.25 × 10 18 electrons?
  1.    An ampere
  2.    A coulomb
  3.    A volt
  4.    A joule
 Discuss Question
Answer: Option B. -> A coulomb
Question 143. . The term used to designate electrical pressure is:
  1.    voltage
  2.    current
  3.    resistance
  4.    conductance
 Discuss Question
Answer: Option A. -> voltage
Question 144. . Which electronics material opposes the movement of free electrons?
  1.    Conductor
  2.    Insulator
  3.    Semiconductor
  4.    Element
 Discuss Question
Answer: Option B. -> Insulator
Question 145. . Current is considered as the movement of:
  1.    electrons
  2.    protons
  3.    charge
  4.    nuclei
 Discuss Question
Answer: Option A. -> electrons
Question 146. . A lead-acid battery is an example of a
  1.    solar cell
  2.    fuel cell
  3.    primary battery
  4.    secondary battery
 Discuss Question
Answer: Option D. -> secondary battery
Question 147. . A basic electric circuit is made up of what components?
  1.    A load, a resistor, and a conductive path for current
  2.    A voltage source, a load, and a conductive path for current
  3.    A voltage source, a conductive path for current, and a battery
  4.    A conductive path for current, a battery, and a copper wire
 Discuss Question
Answer: Option B. -> A voltage source, a load, and a conductive path for current
Question 148. . The charge of one coulomb is equal to:
  1.    6.24 x 10−18 electrons
  2.    one ampere
  3.    one second
  4.    6.24 x 1018 electrons
 Discuss Question
Answer: Option D. -> 6.24 x 1018 electrons
Question 149. . An ammeter is used to measure
  1.    voltage
  2.    current
  3.    resistance
  4.    All of the above
 Discuss Question
Answer: Option B. -> current
Question 150. . What is the name of the pressure that moves electrons in a closed circuit?
  1.    amperes
  2.    ohms
  3.    voltage
  4.    coulombs
 Discuss Question
Answer: Option C. -> voltage

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