Question:medium
The order of the electric field required to pull out electrons from a metal by field emission (in $Vm^{-1}$) is
The order of the electric field required to pull out electrons from a metal by field emission (in $Vm^{-1}$) is
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Field emission happens only under extremely strong electric fields.
Updated On: Apr 24, 2026
- $10^2$
- $10^8$
- $10^5$
- $10^6$
- $10^4$
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The Correct Option is B
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