What is the type of cell used for building a laptop battery pack?

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ALP CBT 2 Electrician Previous Paper: Held on 22 Jan 2019 Shift 2
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  1. Nickel cadmium
  2. Lithium ion
  3. Zinc silver oxide
  4. Lead acid

Answer (Detailed Solution Below)

Option 2 : Lithium ion
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Detailed Solution

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  • Lithium-ion type of cell used for building a laptop battery pack and in mobile phones.
  • The lead-acid batteries are used in vehicles.
  • Zinc silver oxide batteries are used in watches, calculators, photoelectric exposure devices, hearing aids, and electronic instruments.
  • Nickel-cadmium batteries are used in portable power tools, photography equipment, flashlights, emergency lighting, hobby R/C, and portable electronic devices.
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