Q3) An electric geyser rated 1500 W, 250 V is connected to a 250 V line mains.Then the power consumed in 50 hours is
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Answer:
meghakatiyar1
meghakatiyar1
22.08.2018
Physics
Primary School
+5 pts
Answered
A electric geyser rated 1500 W, 250 V is connected to a 250 V line mains calculate the ------
a) electric current drawn by it.
b) energy consumed by it in 50 hours.
c) what is the cost of energy consumed , if each unit cost 6.00 rupees .
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◾An electric geyser is rated 1500 W , 250 V is connected to a 250 V line mains .
↪Power = 1500W = 1.5 KWh
↪Potential Difference = 250 V
A.) Electric Current drawn by it :
Use the formula for Power :
Power = Voltage × Current
P = VI
From here ,
I = P / V
I = 1500 / 250
I = 6 A
B). Energy Consumed in 50 hours
Use the formula for energy ,
Energy = Power × Time
Energy = 1500 × 50
E => 75000 watts
=> 750KWh
C). What is the cost of energy consumed , if each unit costs rupees 6.00 rupees
=> cost = 750× 6
=> 4500 Rs.