Question

Which one of the following type of cell would be most commonly found in a rechargeable torchlight?

• A. Dry Cell
• B. Mercury Cell
• C. Nickel-cadmium Cell
• D. Lithium-ion Cell

Answer 1

The correct option is C

Nickel-cadmium Cell

A nickel-cadmium cell is a rechargeable cell used for portable computers, drills, camcorders, torches and other small battery-operated devices requiring an even power discharge. A dry cell is used in applications like starting of a car or truck engine. A mercury cell is used in small devices like watches and portable radios. A Lithium-ion cell is used in mobile phones.