Nickel-Cadmium (Ni-Cd) battery is used in

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(b) Cordless electronic appliances — Nickel-Cadmium (Ni-Cd) battery is used in cordless electronic appliances. Nickel-Cadmium battery was invented in Sweden by Waldemar Junger in 1899; the first commercially available Ni-Cd batteries were introduced in the early 1900s. This Nickel-Cadmium battery uses Nickel Oxide Hydroxide as the cathode and Cadmium as the anode. The resulting cell voltage from this battery is 1.2 Volts.

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(A) Calculator

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(C) Transistors

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(D) All of the above

Nickel-Cadmium (Ni-Cd) battery is used in

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