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Communication Systems

Q1: Degaussing in a picture tube means

A Adding magnetism in mask and mounting frame

B Removing residual magnetism in mask, shield etc...

C Increasing resistance of coils to decrease time constant

D Decreasing resistance of coils to increase time constant.

E

ANS:B - Removing residual magnetism in mask, shield etc...

Since gauss is a unit of magnetic flux, degaussing means removal of magnetism.



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