When the series combination of R1 ans R2 is connected across a 30V source, the current drawn is 10A. If R2 is replaced by R3, the current becomes 12A. The three resistors is series draws 6A. what is the resistance of R1? a. 9 ohms b. 3 ohms c.

When the series combination of R1 ans R2 is connected across a 30V source, the current drawn is 10A. If R2 is replaced by R3, the current becomes 12A. The three resistors is series draws 6A. what is the resistance of R1? a. 9 ohms b. 3 ohms c.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter7: Parallel Circuits

Section: Chapter Questions

Problem 3PP: Using the rules for parallel circuits and Ohmslaw, solve for the missing values....

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Question

When the series combination of R₁ ans R₂ is connected across a 30V source, the current drawn is 10A. If R₂ is replaced by R₃, the current becomes 12A. The three resistors is series draws 6A. what is the resistance of R₁?

9 ohms

3 ohms

6 ohms

1/3 ohms

answer only

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