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A geyser has a rating 2 kVA, 240 V. I...

A geyser has a rating 2 kVA, 240 V.
If the cost of electricity is Rs .4.50 per commercial unit, find the cost for 90 minutes.

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given ` P=2 kVA = 2KWA ,=2 kw , t= 90 ` minute `=1.5 h`
Cost of electricity
= energy consumed in kWh `xx` cost per kWh
` = 3xx Rs. 4.50 = Rs. 13.50`
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ICSE-CURRENT ELECTRICITY-EXERCISE-8(C) NUMERICALS
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