Q. Dielectric strength of air is …………. KV/mm.

A
2.5
B
25
C
3.2
D
16
Solution:

Dielectric strength is the maximum electric field that a material can withstand under ideal conditions without breaking down.

Dielectric strength of air is around 3.2KV/mm

Factors such as humidity, dust, temperature etc affects the dielectric strength.

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