circuits

1. ELECTRONICS
spring 2020
Lec. 5
Dr. Mona M.Soliman
Dr.Waleed Mohiy
IT Dept.

2. Active circuit components
 There are two basic types of sources:
voltage sources and current sources.
 Source can be independent or dependent.
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3. Source Transformation
 Source transformation is a tool for
simplifying the electric circuits
 Current-to-voltage source transformation
 Voltage-to-Current Source Transformation
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4. 4
Source Transformation

5. 5
Source Transformation

6. 6

7. 7
Source Transformation
Example-1
Find the power associated with the 6 V source using source
transformation

8. 8
Step-1 voltage-current transformation

9. 9
Step-1 Parallel resistance

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Step-3 Series Resistance

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4𝐼 + 12𝐼 + 19.2 − 6 = 0
KVL:
𝐼 = −0.825 𝑃 = 𝐼𝑉 = −0.825 ∗ 6