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Using the information provided, find the unknown quantities. a) Find the Resistor – (R3)? b) Find the Voltages - (E), (V2). (V4)? c) Find the Current – (I)? d) Calculate Total Power – (Pr)?

Using the information provided, find the unknown quantities. a) Find the Resistor – (R3)? b) Find the Voltages - (E), (V2). (V4)? c) Find the Current – (I)? d) Calculate Total Power – (Pr)?

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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12) Using the information provided, find the unknown quantities. a) Find the Resistor – (R3)? b) Find the Voltages – (E), (V2), (V4)? - c) Find the Current – (I)? | d) Calculate Total Power – (PT)? + 2V + V2 + 12 V - - R2 R3 1 kl 2 k + + R4 3 kΩ V,
Transcribed Image Text:12) Using the information provided, find the unknown quantities. a) Find the Resistor – (R3)? b) Find the Voltages – (E), (V2), (V4)? - c) Find the Current – (I)? | d) Calculate Total Power – (PT)? + 2V + V2 + 12 V - - R2 R3 1 kl 2 k + + R4 3 kΩ V,
Expert Solution
Step 1

Given Data:

  • The resistors are R1=1 kΩ, R2=2 kΩ and R4=3 kΩ.
  • The potential drops are V1=2 V and V3= 12 V.

As all the four resistors are in the series combination, hence the current through each of the resistors will be the same.

Part (c):

Applying Ohm's law across resistor R1,

I=V1R1=2 V1 kΩ×1000 Ω1 kΩ=0.002 A.

Thus, the current I is 0.002 A.

 

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