Three lamps are connected in series across a 120 V supply and take a c – McqOptions

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1.	Three lamps are connected in series across a 120 V supply and take a current of 1.5 A. If the resistance of two of the lamps is 30 Ω each, what is the resistance of the third lamp?
A.	20 Ω
B.	10 Ω
C.	30 Ω
D.	40 Ω
Answer» B. 10 Ω

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