Arrangements of three bulbs A, B and C of same rating 60 W, 220 V as shown in figure. Choose the correct option(s) (1 ) Power consuming by bulb A is 80/3 watt (2) Power consuming by bulb B is watt 40/3 watt (3) Power consuming by bulb C is 20/3 watt (4) Total power consuming by circuit is 40 watt
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Answer:Hint : Brightness is directly proportional to the power consumed.
Step 1 : Compare the power consumed by the bulbs
Given : Three bulbs connected in parallel to an electric source consume power 40W,60W,100W respectively.
As we know, brightness of a bulb is directly proportional to the power consumed.
∴ Brightness of bulb A<B<C
Explanation:
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