railway DFCCIL Executive 2025 Mock Test Network Theory Network Elements Circuit Elements

The two resistors, R1 = 10 Ω and R2 = 20 Ω, are connected in series across a 30 V direct current (DC) source. Find the ratio (i.e. P1/P2) of the powers dissipated by the resistors.

1
P1/P2 = 1/3
2
P1/P2 = 1/4
3
P1/P2 = 1/2
4
P1/P2 = 2/1
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