engineering recuitment CSPTCL JE Electrical Mock Test 2023 Network Theory Network Elements

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?

1

20 Ω

2

10 Ω

3

30 Ω

4

40 Ω

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