Multiple choice

Which of the following pairs of materials serves as electrode in chargeable batteries that are commonly used in devices such as torch lights, electric shavers etc.?

  1. Iron and Cadmium

  2. Nickel and Cadmium

  3. Lead peroxide and Zinc

  4. Zinc and Carbon

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Nickel-Cadmium (NiCd) batteries are rechargeable and were commonly used in portable devices like torches and electric shavers due to their ability to handle repeated charge-discharge cycles. Nickel-cadmium forms the electrode pair in these batteries.