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power=68 w
Time =5 hour
Electric energy= p*t
=68*5
=340 wh
=340/1000
0.34 kwh
.: cost=30*0.34*1.50
=15.30Rs
15.30.Rs is the answer........
Time =5 hour
Electric energy= p*t
=68*5
=340 wh
=340/1000
0.34 kwh
.: cost=30*0.34*1.50
=15.30Rs
15.30.Rs is the answer........
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