A 200w, 100v lamp is to be operated on 250v supply. The additional res – McqOptions

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1.	A 200w, 100v lamp is to be operated on 250v supply. The additional resistance required to be connected in series will be:
A.	125ohm
B.	50ohm
C.	75ohm
D.	25ohm
Answer» D. 25ohm

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