8- Short and Open in DC series circuit

Why did my circuit stop working? Did something burn out (open), or did two wires touch accidentally (short)? In this electronics lab, we deliberately break a DC series circuit to see exactly how voltage behaves during these common failures.

[What This Video Covers]
We set up a series circuit with three equal resistors and use ground as our reference point. We then systematically introduce faults to observe the changes on a multimeter.

You will learn:
1- The crucial difference between zero resistance (short) and infinite resistance (open).
2- What happens to the voltage across a component when it is bypassed by a wire?
3- Where the source voltage appears when there is a break in the path, and why the current drops to zero.
4- Why is measuring voltage relative to ground the best way to find where a circuit is broken?

[The Experiment Steps]
1- Baseline: Measure voltages in a healthy 3-resistor series circuit.
2- Creating Shorts: We take a jumper wire and short out R1, then R2, then R3 individually, measuring the voltage at each node to ground.
3- Creating Opens: We physically create a break at R1, R2, and R3 locations, measuring how the voltage distribution shifts dramatically.

[Equipment Used]
1- DC Power Supply (e.g., set to 12V)
2- 3x Equal Resistors (e.g., 2.2kΩ each)
3- Breadboard and Jumper Wires
4- Digital Multimeter

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Видео 8- Short and Open in DC series circuit канала Menna Academy