two bulb A and B
rated as 90w-120vand 60w-120v respectively . they are connected in parallel across a 120 v source .find the current in each bulb . which bulb consume more energy.
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In Electric Bulb A:
Electric Power (P1)= 90W
Potential Difference (V1)= 120V
Current (I)= P1/V1 [Since, P=VI]
= 90/120= 0.75A
In electric bulb B:
P2=60W
V2=120V
I2= P2/V2= 60/120= 0.50 A
Energy consumed by Bulb A is more than Bulb B because P1>P2
Electric Power (P1)= 90W
Potential Difference (V1)= 120V
Current (I)= P1/V1 [Since, P=VI]
= 90/120= 0.75A
In electric bulb B:
P2=60W
V2=120V
I2= P2/V2= 60/120= 0.50 A
Energy consumed by Bulb A is more than Bulb B because P1>P2
rahul82561:
its just for a confirmation ,but thanku so much☺️☺️
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