CIRCUIT A 20 ohms resistor is connected in parallel with a resistor R. The parallel combination is then connected in series with a 4-ohm resistor and connected across a 240 volt source. What is the value of R if the power of R is equal to the power taken by the 4-ohm resistor? a. 7.95 ohms b. 8.40 ohms c. 6.87 ohms d. 7.64 ohms
CIRCUIT A 20 ohms resistor is connected in parallel with a resistor R. The parallel combination is then connected in series with a 4-ohm resistor and connected across a 240 volt source. What is the value of R if the power of R is equal to the power taken by the 4-ohm resistor? a. 7.95 ohms b. 8.40 ohms c. 6.87 ohms d. 7.64 ohms
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
CIRCUIT
A 20 ohms resistor is connected in parallel with a resistor R. The parallel combination is then connected in series with a 4-ohm resistor and connected across a 240 volt source. What is the value of R if the power of R is equal to the power taken by the 4-ohm resistor?
a.
7.95 ohms
b.
8.40 ohms
c.
6.87 ohms
d.
7.64 ohms
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