cells and batteries mcq

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Advantage of fuel cell over petrol is its only product

Advantage of fuel cell over petrol is its only product
  • A. oxygen
  • B. water
  • C. nitrogen
  • D. None
  • Correct Answer: Option B

By passing electricity through electrochemical cells, they can be

By passing electricity through electrochemical cells, they can be
  • A. recharged
  • B. charged
  • C. discharged
  • D. deployed
  • Correct Answer: Option A

In 1748, first time word used in connection with electricity was

In 1748, first time word used in connection with electricity was
  • A. battery
  • B. charge
  • C. electrode
  • D. all of them
  • Correct Answer: Option A

An electrochemical cell in which a fuel gives up electrons at one electrode and oxygen gains electrons at other electrode, is known as

An electrochemical cell in which a fuel gives up electrons at one electrode and oxygen gains electrons at other electrode, is known as
  • A. fuel cell
  • B. electrolytic cell
  • C. oxygen cell
  • D. electron cell
  • Correct Answer: Option A

Benefits of using small cells could be

Benefits of using small cells could be
  • A. lightweight
  • B. high voltage
  • C. constant voltage
  • D. all of them
  • Correct Answer: Option D