. A 20-ohm resistor, a 30-ohm resistor, and a resistor R are connected in parallel to form an equivalent resistance of 4 ohms. Find R and the current it carries if a 6-A current source is connected to the combination.

. A 20-ohm resistor, a 30-ohm resistor, and a resistor R are connected in parallel to form an equivalent resistance of 4 ohms. Find R and the current it carries if a 6-A current source is connected to the combination.

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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Concept explainers

Norton Theorem

In the current circuit law, the Norton theorem (also known as the Mayer-Norton theorem) is a simplification that can be applied to networks generated by a constant line of opposition, power sources, and current assets. In two network terminals, it can be switched on with a current supply and single resistor respectively.

Question

1. A 20-ohm resistor, a 30-ohm resistor, and a resistor R are connected in parallel to form an equivalent resistance of 4 ohms. Find R and the current it carries if a 6-A current source is connected to the combination.

2. A current divider consists of 10 resistors in parallel. Nine of them have equal resistances of 60 kilo-ohms and the tenth is a 20 kilo-ohm resistor. Find the equivalent resistance of the divider, and, if the total current entering the divider is 40mA, find the current in the tenth resistor.

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