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If you mean zero electrical resistance for an electromagnet, this is possible with superconductivity. This can be achieved for certain materials at fairly low temperatures - typically a few kelvin.
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∙ 8y ago
Anonymous
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Is cobalt a super conductor of electricity?
conductorCobalt is a metal. Metals are good conductors of heat and electricity.
What is an ideal ammeter?
an ideal ammeter will have zero resistance
What is the resistance between phase and earth?
You measure at a socket, you should measure well less than one ohm resistance between earth and neutral. .my answer: theoritically it is zero
When ohmmeter is zero?
It means you have effectively no resistance to current flow. Whether this is good or not depends on whether you WANT resistance to current flow. If you're testing a length of wire, a cable, or something like that, having your ohmmeter read zero would be good. If you're testing a motor or something else that needs to have resistance to work, having your ohmmeter read zero is bad and is called a Short Circuit.
What voltage is measured across a high resistance connection?
It could be anything from zero to a million volts.
What are the uses of a superconductor?
Superconductors have zero resistance, and are used in powerful magnets for MRI etc, and magnetic levitation.
Why are superconductors used in strong magnets?
Superconducting magnets are electromagnets wound from superconducting coil (wire). Wire that conducts electricity with zero loss is said to be super conducting. At the present time zero resistance is not offered by any known material at room temperature, so superconducting magnets must be chilled to very low temperature.
Is A superconductor is A conductor having zero resistance?
Yes, a superconductor has zero resistance.
What resistance does a superconductor have?
An ideal superconductor has exactly zero losses, thus resistance is zero.
What is time constant of capacitor when resistance is zero?
Time constant in an RC filter is resistance times capacitance. With ideal components, if the resistance is zero, then the time constant is zero, not mattter what the capacitance is. In a practical circuit, there is always some resistance in the conductors and in the capacitor so, if the resistance is (close to) zero, the time constant will be (close to) zero.
If a multimeter reads zero on the ohm scale is this high or low resistance?
zero is low resistance
How are magnets the same?
Magnets are able to attract magnetic objects.
What would happen to circuit if there was no resistance?
a circuit with no resistance or zero resistance can be considered as open circuit in which the current is zero. without resistance the circuit just becomes open ()
Does a conductor have zero resistance?
No
When cooled this contains almost zero resistance?
Anything with the property of zero electrical resistance is called a super-conductor.
What would you expect if resistance of the fixed resistor was zero?
zero
An open fuse has a resistance of?
Zero. There is no resistance on an open fuse because there is no connection between the terminals on the fuse. I beg to differ There is INFINITE resistance in a BLOWN fuse... There is ZERO resistance in a GOOD fuse.
