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Class 12 Tuition > Learn Class XI-XII Tuition (PUC) > can current exist without wire ?
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can current exist without wire ?

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If one will go through the working principle of vacuum tubes, like any diode or triode valve, will easily conclude how thermal electrons can move towards a relatively high potential anode from a cathode/filament. So one can conclude that it is not essential that current will flow only through the wires,...
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If one will go through the working principle of vacuum tubes, like any diode or triode valve, will easily conclude how thermal electrons can move towards a relatively high potential anode from a cathode/filament. So one can conclude that it is not essential that current will flow only through the wires, but flowing for current (movement of charge) in a particular direction a potential difference (Electric Field) is required. read less
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Learn from experienced Digital Marketing Expert

yes... example Lightning.
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In a broad concept where ever potential difference there will be current is flow That means current is potential diference divided by opposition result electron flow. Metal wire is a low resistive conductor so produce considerable amount of current flow in low voltage difference But in the...
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In a broad concept where ever potential difference there will be current is flow That means current is potential diference divided by opposition result electron flow. Metal wire is a low resistive conductor so produce considerable amount of current flow in low voltage difference But in the case medium air it is considered as its dielectric capacity about 30kv/cm So conduction through air possible at higher voltages result in to lightning Briefly where ever voltage difference result charge flow By Sankerps read less
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Best mathematician to development skills of your child.

yes. it can
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Tutor

Sure sir it exist with many live ex.
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7 years experience of teaching Physics & Mathematics.

Yes...it can
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Tutor

Yes.. displacement current
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What is electric current? Rate of flow of electrons. Electrons flow easily in conductors. So a medium in the form of wire is needed for that...
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Chemistry Teacher

Yes it can...lightening ,e beam is the examples
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Harness the hard core knowledge

ya conductor can be of any form
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