Question

find out the metre reading of 3 months and record your observation

Answer 1

Answer:

we know , 1W means, 1J heat consumed per second.

so, heat consumed per hour = 1W × 3600sec

= 3.6 × 10³ J

and you should know , that 1KWh = 3.6 × 10³ × 10³ J = 3.6 × 10^6 J heat consumed per second.

let before three months, metre reading is 5677

and after three months , metre reading is 5728

in three months , my friends family used electricity = (5828 - 5677) = 151 units .

rate of 1 unit in their area = 6 Rs/unit

so, amount of money = rate of electricity × total units used by his family.

= 6 × 151 = 906 Rs.

hence, amount of electricity bill = 906 Rs.

but some amount also include , e.g., late charge, maintenance charge, etc...

then, final bill of electricity is 1000 Rs.

Explanation:

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