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Paragraph on “Television and its Programme System” complete paragraph for Class 9, Class 10, Class 11 and Class 12
Television and its Programme System
Each T.V. station uses a different signal with a different frequency than other TV stations. Our T.V. antenna catches all these signals and pass them into the set as electrical signals. When we tune in to a particular channel, the tuning coil starts oscillating at a particular frequency showing us a programme. When the channel is changed, the frequency of the tuning coil is also changed and thus we see a different programme from a different T.V. station.
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