An electrical appliance is rated $1500 W, 250 V$ . This appliance is connected to $250 V$ mains. Calculate the electrical energy consumed in $60 h$

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Solution

Step 1: Given data:
Power $= 1500 W$
Voltage $= 250 V$
Time $= 60 h$
Appliance is connected to $250 V$ mains.
Step 2: Calculation of energy consumed in $60 h$ :
As we know,
The electrical energy consumed can be determined by using formula:
$E = P t$ ,
where $E i s t h e E n e r g y, P i s t h e P o w e r, t i s t h e t i m e$
So, the value of electrical energy will be $= P \times t = 1500 \times 60 = 90 \times 10^{3} W h = 90 K W h .$
Hence, the value of electrical energy consumed in $60 h$ will be $90 K W h .$

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