Question

Give answers of que 15

Answer 1

$power \: consumed \: by \: heater = 18000watt \\ \: now \: 1kw = 1000watts \\ so \: 18000watt = 18kwh \\ \\ work \: done = power \times time \\ so \: work \: done \: in \: one \: hour = 18 \times 1 \\ = 18kwh \\ now \\ 1kwh = 3.6 \times {10}^{6} joules \\ so \\ 18kwh = 18 \times 3.6 \times {10}^{6} joules \\ = 64.8 \times {10}^{6} joules$
Aman showed a value of a conservative who is keen to save the natural resources which are wasted now a days... So, he is trying to safeguard the resources which are exhaust able.

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