Question

If a potential of 5 kv and 20 kv is used for accelerating electrons for a strong lens on assuming constant current and same coil is used for all the condition. At which potential it is expected to have less spherical aberration? 20 kv 5 kv both a and b

Answer 1

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the manner in which it was used in ... As the beam voltage, VO, is reduced in the range 30-1 kV, ... deposited per electron (eVo) both decrease .

$\boxed{Hope\:This\:Helps}$

Answer 2

the manner in which it was used in ... As the beam voltage, VO, is reduced in the range 30-1 kV, ... deposited per electron (eVo) both decrease .