# Can you have 0 ohms?

## Can you have 0 ohms?

In short, you can have zero resistance, but you can’t have infinite currents because other physical limitations make ohms law inapplicable.

## What does a resistance of 0 mean?

A circuit with no resistance (0) would indicate a complete circuit, or one that has no short. A circuit with total resistance would indicate a completely open circuit — one through which no current was able to pass.

What is the current if resistance is zero?

When the resistance in any circuit is equal to zero then the current passing through that circuit will be infinite.

What does a low ohms reading mean?

A low resistance measurement is typically a measurement below 1.000 ohm. At this level it is important to use test equipment that will minimize errors introduced by the test lead resistance and/or contact resistance between the probe and the material being tested.

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### What is the current when resistance is 0?

In contrast, if you connect a perfect conductor between two points (e.g., an idealized superconductor or circuit wire), then the resistance is zero between the points, the conductivity is infinite, the voltage difference is zero, and the current is undefined.

### When checking a circuit with an ohmmeter the reading on the display is 0 What does this reading indicate?

The ohmmeter is designed so that it will display 0 Ω when the test leads are clipped together (zero external resistance). The meter reads infinite (I) resistance or over limit (OL) resistance when the leads are left open.

When a circuit is zero What is the current?

Answer: An open circuit is simply a resistance whose value is very very high (theoretically infinity) so the current through it (open air) is zero.

What part of ohmmeter is adjusted when the pointer fails to point to zero?

Zero Ohm Adjustment – It is the portion of the ohmmeter where it is adjusted when the pointer of the ohmmeter fails to point to zero.