4. The total current drawn by a circuit consisting of three resistors connected in parallel is 12 A. The voltage drop across the first resistor is 12 V, the value of the second resistor is 3 ohms and power dissipation of the third resistor is 24 W. What are the resistances of the first and third resistors?

4. The total current drawn by a circuit consisting of three resistors connected in parallel is 12 A. The voltage drop across the first resistor is 12 V, the value of the second resistor is 3 ohms and power dissipation of the third resistor is 24 W. What are the resistances of the first and third resistors?

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter8: Combination Circuits

Section: Chapter Questions

Problem 1PA: A circuit contains a 1000- and a 300- resistor connected in series with each other. The total...

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INSTRUCTIONS: Solve the following problems. Show and COMPLETE solutions. Draw all CIRCUIT DIAGRAMS or the equivalent circuit (dummy circuit) as the case may be. Three resistors, 11 ohm, 7ohm, 20 ohm are connected in parallel. If placed in a circuit with a 12-volt power supply. Determine the equivalent resistance, the total circuit current, and the voltage drop across and current in each resistor, the total power supplied to the circuit.