What happens to electricity at the city substation?
A
It is stepped up to 132 kV
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B
It is stepped down to 33 kV
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C
It is stepped down to 220 V
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D
It is stepped down to 11 kV
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Solution
The correct option is C It is stepped down to 220 V At city substation, electricity is stepped down to 220 V, then it reaches our home via overhead poles.