1.

Calculate the value of an unknown resistance when it is connected in parallel to a 250 V supply with a 100-watt, 250 V lamp (assuming that the resistance of the lamp remains unchanged); The total dissipated power in the circuit is 1100 watts.

A. 38 Ω
B. 62.5 Ω
C. 24 Ω
D. 20 Ω
Answer» C. 24 Ω


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