Physics · Network Theorems and Laws
In a single-loop circuit containing two voltage sources of 5 V and 7 V opposing each other and a resistor with voltage drop Vx, which expression correctly represents Kirchhoff's Voltage Law (KVL)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1- 5 + 7 + Vx = 0
- 2+ 5 - 7 + Vx = 0
- 3- 5 - 7 - Vx = 0
- 4- 5 - 7 + Vx = 0✓
Correct answer
- 5 - 7 + Vx = 0
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