Electrical Engineering · Network Theorems
Find the Thevenin resistance (Rth) for a circuit where a voltage source is in series with R1, and this combination is in parallel with R2, and the whole arrangement is connected in series with R3 across the terminal.
- 1R1 × R2R1 + R2 + R3✓
- 2R3 × R2R3 × R2 + R1
- 3R1 + R2R1 × R2 + R3
- 4R3 × R2R3 + R2 + R1
Correct answer
R1 × R2R1 + R2 + R3
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