A) An electric bulb is rated at 200 watt and 100watt what is the resistance B) calculate the energy consumed by 3 such bulbs if they glow continuously for 10hrs for complete month of November C) calculate the total cost if the rate per unit is 6.50/-
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Answer: something wrong with question.It should be 100V.
R=v*v/p
=100*100/200
=50ohm.
E=0.2kw*3*10*30
=180J
T= 180*6.5
=1170rupees.
Explanation:
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