Voltage and Current Questions and Answers

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Showing 10 of 39 questions
Q21
The term used to designate electrical pressure is:
  • A voltage
  • B current
  • C resistance
  • D conductance
Answer: Option A
Q22
Which electronics material opposes the movement of free electrons?
  • A Conductor
  • B Insulator
  • C Semiconductor
  • D Element
Answer: Option B
Q23
Current is considered as the movement of:
  • A electrons
  • B protons
  • C charge
  • D nuclei
Answer: Option A
Q24
A lead-acid battery is an example of a
  • A solar cell
  • B fuel cell
  • C primary battery
  • D secondary battery
Answer: Option D
Q25
A basic electric circuit is made up of what components?
  • A A load, a resistor, and a conductive path for current
  • B A voltage source, a load, and a conductive path for current
  • C A voltage source, a conductive path for current, and a battery
  • D A conductive path for current, a battery, and a copper wire
Answer: Option B
Q26
An ammeter is used to measure
  • A voltage
  • B current
  • C resistance
  • D All of the above
Answer: Option B
Q27
What is the name of the pressure that moves electrons in a closed circuit?
  • A amperes
  • B ohms
  • C voltage
Answer: Option C
Q28
What is a characteristic of a secondary cell?
  • A rechargeability
  • B not rechargeable
  • C a dry cell
  • D non-liquid
Answer: Option A
Q29
What are the basic building blocks that all matter is composed of?
  • A electrons, neutrons, and protons
  • B two protons for each neutron
  • C two protons for each electron
  • D electrons, neutrons, and charged ions
Answer: Option A
Q30
If a fluid system is compared to an electrical system, the fluid pump will correspond to a:
  • A conductor
  • B lamp
  • C battery
  • D insulator
Answer: Option C

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