4. A negative ion gives up its extra electron is: a) photo ionization b) simple collision ionization c) Electron detachment d) Electron Attachment
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![4. A negative ion gives up its extra electron is:
a) photo ionization
b) simple collision ionization
c) Electron detachment
d) Electron Attachment
5. The electric field E, in a gas bubble immersed in a liquid of permittivity &, is
by:
36
a) E,:
E.
2€1+€1
%3D
361
b) E, =
%3D
2€1+1
2
c) E, = 1.4
%3D
RE2
dE
d) E,
%3D
E-2€z
dx
6. Formation of a permanent conducting path across a surface of solid insulation
called as:
a) Tracking
b) Flashover
c) Oxidation
d) Erosion](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1d9370fc-f718-4df4-83e0-d1ccdb501a35%2Ff0900242-db41-4285-a4a9-0eca36e6a3f3%2F0fnrb8a_processed.jpeg&w=3840&q=75)
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