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UGC NET / JRF Electronic Science Question Paper– II: December 2012

Mar 8, 2013 15:59 IST

    Jagranjosh.com will provide questions from the respective segments for the benefit of the aspirants preparing for UGC NET/ JRF/ SLET recruitment exams.

    15. A 20 kW carrier is sinusoidally modulated by two carriers corresponding to modulation index of 30% and 40% respectively. The total radiated power is

    (A) 25 kW

    (B) 22.5 kW

    (C) 45.0 kW

    (D) 35.0 kW

    16. ASCII code has 128 characters,which are binary coded. If acomputer generates 106 characters per second, then minimum band width required to transmit this signal will be

    (A) 1.4 mbps (B) 14 mbps

    (C) 7 mbps

    (D) 0.7 mbps

    17. When the current through SCR is greater than holding current, then the voltage across the SCR is

    (A) 1.4 V

    (B) 0 V

    (C) Supply voltage

    (D) Half the load voltage

    Click Here to find Electronic Science December 2012) complete question paper

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