A geyser of $2.5 k w$ is used for $8$ hours daily. Calculate the monthly consumption ( 30 days) of electrical energy units. Also calculate the cost of electricity units consumed in a month if rate per unit is $3.50$

R s . 2100.00

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R s . 155.00

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R s . 150.00

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R s . 30.00

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Solution

The correct option is A $R s . 2100.00$
Daily usage of electricity $E_{1} = 2.5 k w \times 8 = 20 k w h = 20 u n i t s$
Energy used in one month $E = 30 E_{1} = 30 \times 20 = 600 u n i t s$
Cost $= R s . 600 \times 3.5 = R s 2100.00$

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A geyser of 2.5kw is used for 8 hours daily. Calculate the monthly consumption ( 30 days) of electrical energy units. Also calculate the cost of electricity units consumed in a month if rate per unit is 3.50

The correct option is A Rs.2100.00Daily usage of electricity E1=2.5 kw×8=20 kwh=20 unitsEnergy used in one month E=30E1=30×20=600 unitsCost =Rs.600×3.5=Rs2100.00

A geyser of $2.5 k w$ is used for $8$ hours daily. Calculate the monthly consumption ( 30 days) of electrical energy units. Also calculate the cost of electricity units consumed in a month if rate per unit is $3.50$

The correct option is A $R s . 2100.00$
Daily usage of electricity $E_{1} = 2.5 k w \times 8 = 20 k w h = 20 u n i t s$
Energy used in one month $E = 30 E_{1} = 30 \times 20 = 600 u n i t s$
Cost $= R s . 600 \times 3.5 = R s 2100.00$