Electronics and Communication Engineering - Communication Systems - Discussion

Discussion Forum : Communication Systems - Section 1 (Q.No. 25)

Communication Systems

25.

Degaussing in a picture tube means

Adding magnetism in mask and mounting frame

Removing residual magnetism in mask, shield etc...

Increasing resistance of coils to decrease time constant

Decreasing resistance of coils to increase time constant.

Answer: Option

Explanation:

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

Discussion:

2 comments Page 1 of 1.

Rahul said: 9 years ago

Basically Degaussing is a coil of wire and wound around the picture tube. This coil is supplied by with the series PTC on 220v ac.

Jeshnavi said: 4 years ago

What is the purpose of degaussing wire? Please explain.

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