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    Subject
    Physics

    Class

    JEE Class 12

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    JEE Physics Solved Question Paper 2013

    Multiple Choice QuestionsMultiple Choice Questions

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    71.

    A repeater is a combination of

    • receiver and modulator

    • receiver and transducer

    • receiver and transmitter

    • receiver and amplifier

    C.

    receiver and transmitter

    A repeater is a combination of receiver and transmitter.

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    72.

    Find the mismatch

    • Sky wave communication : Frequency upto 30 MHz

    • Line of sight communication : Frequency greater than 40 MHz

    • Mobile telephony : Frequency range 800 – 950 kHz

    • Facsimile : Static document 

    Answer
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    NCERT Solutions
    Textbook Solutions | Additional Questions

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