Question

Calculate the electrical energy consumed in using a bulb of 200W
for 6hrs and also find the cost of energy RS 5 per unit.​

Answer 1

Answer:

So, Energy Consumed is 200 Watts.

We need to find of 50 days.

Energy Consumed In 50 Days = 10000 Watts.

So, Your Answer is :- 10000 Watts.

Explanation:

I HOPE THAT IT'S HELPFUL FOR YOU.

Answer 2

${\pmb{\sf{{Given \; that}}}} \\ \tt Bulb \: of \: 200 \: watts \: used \: for \: 6 \: hours\\ \\ {\pmb{\sf{\underline{To \; find}}}} \\ \: \tt \: electrical \: energy \: consumed \\ \tt cost \: of energy \: at \: Rs \: 5 \: per \: unit \\ \\ {\pmb{\sf{\underline{Solution}}}} \\ \tt The \: electrical \: energy \: consumed = 1.2 \: kWh \\ \tt \: The \: cost \: of \: energy \: at \: Rupees \: 5 \: per \: unit = 6 \: Rupees \\ \\ {\pmb{\sf{{Using \; concepts}}}} \\   \sf \: Formula \:  to \:  find  \: out \:  the \:  energy  = {\small{{\boxed{\sf{Energy \: = \: Power \times Time}}}}} \\ \sf \: Formula \: to \: find \: out \: the \: cost \: of \: energy \: at \: Rupees \: 5 \: per \:  unit ={\small{{\boxed{\sf{Energy \: consumed \: \times Given \: amount}}}}} \\ \\ \\ {\pmb{\sf{\underline{Full \; Solution}}}} \\ \\ {\small{{\boxed{\sf{Energy \: = Power \times Time}}}}} \\ {\sf{ Energy \: = Power \times Time}} \\ {\sf{ Energy \: = 200 \times 6}} \\ {\sf{ Energy \: = 1200 \: watts}} \\ {\underline{\frak{Hence, \: 1200 \: watts \: is \: electric \: energy \: consumed}}} \\ \\ \\ {\small{{\boxed{\sf{1 \: W \: = 0.001 \: kW}}}}} \\ {\sf{ 1 \: W \: = 0.001 \: kW}} \\ {\sf{ 200 \: W \: = 0.001(200)}} \\ {\sf{ 0.2 \: kWh}} \\ \\ \\ {\small{{\boxed{\sf{Energy \: = Power \times Time}}}}} \\ {\sf{ Energy \: = Power \times Time}} \\ {\sf{ Energy \: = 0.2 \times 6}} \\ {\sf{ Energy \: = 1.2 kWh}} \\ \\ \\ {\small{{\boxed{\sf{Energy \: consumed \: \times Given \: amount}}}}} \\ {\sf{ Energy \: consumed \: \times Given \: amount}} \\ {\sf{ 1.2 \times 5}} \\ {\sf{ Rupees \: 6}}$