PH-1928

Cost of electricity

Physics · Secondary 4 · Medium · Cost of electricity

A factory machine is rated "

500\,\text{V}, 4.0\,\text{A}

" and runs for 10 hours each day. Electricity costs \$0.30 per kWh.

Using power and energy cost, what is the cost of operating the machine for one day?

\$6.00
\$0.60
\.50
\5.00

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