Question

A direct current circuit comprises two resistors, 'A' of value 25 ohms, and 'B' of unknown value, connected in parallel, together with a third resistor 'C' of value 5 ohms connected in series with the parallel group. The potential difference across C is found to 90 V. It the total power in the circuit is 4320 W, calculate: (/) the value of resistor B. () the voltage applied to the ends of the whole circuit, (i) the current in each resistor.
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Answer 1

Answer:

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Answer 2

Answer :

1. $\frac{207.5}{16.7} = 12.4251497006$ Ω
2. $240v$
3. In resistor A, current = 6A, and respectively, current in resistor B,C is 12.07229A, 18A.