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ANY METER needs some kind of current flow to operate. Internal in the meter there are batteries that provide current that when passed trough a resistor will develop voltage as a function of the current. the meter will read this current and display the resistor size to cause this current to flow.

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14y ago
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14y ago

A: actually it shouldn't not an ohmmeter can only load a circuit if active. An ohmmeter is a passive tester used for troubleshooting and test passive components to put it on a circuit does not compute

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17y ago

it uses a small electrical current to check the continuity of a circuit, also on different settings it can also tell how much resistance is in a circuit.

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11y ago

resistance to current flow
An ohmmeter meassures resistance

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12y ago

An ohm meter is connected across the resistance that is to be measured.

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12y ago

it measures resistance, it can be used to test any unpowered circuit.

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Q: How is an ohmmeter connected to a circuit?
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Related questions

What is the configuration of the ohmmeter?

An ohmmeter is connected in parallel to a resistor. Be sure that there is no power in the circuit when testing.


What meter must NEVER be connected to a circuit when the circuit power is turned on?

An Ohmmeter.


Should the ohmmeter be connected to the circuit while the power is being applied or only when the circuit is turned off?

Turn off the supply before using the ohmmeter,it will damaged your ohmmeter when supply is present.


Is an ohmmeter connected in series or parallel?

You almost NEVER do. 1) The circuit should be off and/or disconnected when using an ohmmeter. 2) It should be in parallel with the component as far as the rest of the circuit is concerned, but alone in series with the device its measuring.


What if a ohmmeter reads infinity?

You have an open circuit.


What step is unique to connecting an ohmmeter in the circuit?

check the circuit with a voltmeter to make sure the circuit is not powered


A zero reading on an ohmmeter means the circuit or component is open is this true or false?

This is false. A zero reading is what you get when you press the probes of themeter together with nothing between them, to make sure the meter is working.That's about as closed as the circuit under test can get.


Can an ohmmeter be used to read a resistance while a source is connected?

Yes. It NEEDS a source to be connected.


What is ohmmeter?

An ohmmeter is a type of electrical metre that measures electrical resistance. When in resistance-measuring mode, multimeters also operate as ohmmeters. An ohmmeter measures the resistance of a circuit or component by passing electricity through it.


What precuation must be taken when using an ohmmeter?

Be certain the circuit is de-energized and discharged before connecting an ohmmeter.Do not apply power to a circuit while measuring resistance.When you are finished using an ohmmeter, switch it to the OFF position if one is provided and remove the leads from the meter.Always adjust the ohmmeter for 0 (or ∞ in shunt ohmmeter) after you change ranges before making the resistance measurement.


What happen ohmmeter hook up to a live circuit?

Depending on the voltage, make sure to be safe, but I don't think that it is too bad, although it does depend on the circuit


What is the difference between a series ohmmeter and a shunt ohmmeter?

Basically, your series and shunt ohmmeters differ in circuit configuration. Your series ohmmeter is configured in a way that your "meter" (which has internal resistance) is connected in series to your "measured resistor" and we all know that those TWO resistances will ADD up causing some sort of inaccuracy. While on the other hand, your shunt ohmmeter is configured in a way wherein your "meter" is connected in PARALLEL to your "measured resistor" that will ease-up the inaccuracy but will only measure resistances ranging from 200 Ohms to 400 Ohms (typically and depending on your configuration).