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Kirchhoff's Law
f-alpha.net » Physics » Electricity » Kirchhoff's Laws » Let's go... » Experiment 7 - Kirchhoff's Voltage Law

Experiment 5 - Kirchhoff's Voltage Law (KVL)

More generally, the rule is...   

Kirchhoff's Voltage Law (KVL)

In each closed loop of a circuit the voltages add up to zero.

Consider the illustration of a fictitious loop. Applying the KVL gives you...

U1 + U2 + U3 + U4 + U5 = 0

This is a general rule and not restricted to resistors. More on that later...

Illustration Kirchhoff's Voltage Law (KVL).

The KVL corresponds to the energy conservation law of physics.

Examine this in your circuit...

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