A current of 5 amperes enters a parallel combination of two unequal, unknown resistors (R1 and R2 supplied from a 45 volts DC source. If the two resistors are connected in series, the current drawr from the same source decreases to 937.5 mA. R1 has a lesser resistance than R2. Find R1 and R2

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter29: Dc Generators
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Problem 1PA: You are working as an electrician in a large steel manufacturing plant, and you are in the process...
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R1
R2
R3
112 volts
A current of 5 amperes enters a parallel combination of two unequal, unknown resistors (R1 and R2)
supplied from a 45 volts DC source. If the two resistors are connected in series, the current drawn
from the same source decreases to 937.5 mA. R1 has a lesser resistance than R2. Find R1 and R2.
Transcribed Image Text:R1 R2 R3 112 volts A current of 5 amperes enters a parallel combination of two unequal, unknown resistors (R1 and R2) supplied from a 45 volts DC source. If the two resistors are connected in series, the current drawn from the same source decreases to 937.5 mA. R1 has a lesser resistance than R2. Find R1 and R2.
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