JEE MAIN · PHYSICS · ELECTRONIC DEVICES

JEE Main Electronic Devices Questions & Solutions

10 solved questions on Electronic Devices, ranging from easy to JEE-Advanced-flavour hard. Click any to see the full solution.

8Easy
2Medium
0Hard

All 10 questions

  1. Easy MCQ +4 / -1

    The ionosphere reflects which of the following EM waves back to Earth for long-distance communication?

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  2. Easy MCQ +4 / -1

    In amplitude modulation, the parameter that is varied in accordance with the message signal is the:

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  3. Easy MCQ +4 / -1

    A NOR gate can be obtained by connecting which two gates in sequence?

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  4. Easy MCQ +4 / -1

    The output of an AND gate is 1 when:

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  5. Easy TRUE_FALSE +2 / -1

    In an NPN transistor operating in active region, the base-emitter junction is forward biased and the base-collector junction is reverse biased.

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  6. Medium MCQ +4 / -1

    In a common-emitter NPN transistor amplifier, the input and output voltages differ in phase by:

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  7. Medium MCQ +4 / -1

    A half-wave rectifier using one diode has output frequency equal to input frequency $f$. A full-wave rectifier gives output frequency:

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  8. Easy MCQ +4 / -1

    A p-n junction diode conducts appreciable current when:

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  9. Easy MCQ +4 / -1

    An n-type semiconductor is formed by doping silicon with:

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  10. Easy MCQ +4 / -1

    At absolute zero, an intrinsic semiconductor behaves as:

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