Nickel-Cadmium cells deliver a potential of _____ volt.
A
12
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B
3
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C
1.5
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D
1.2
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Solution
The correct option is D 1.2 Nickel-Cadmium cells deliver a potential difference of 1.2 volt because of the chemical properties of the electrodes and electrolytes. Now-a-days many gadgets use Ni-Cd cells because these are rechargeble.