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Home Electronics and Communication Engineering Microprocessors See What Others Are Saying!
  • Question
  • Which of the following is not an integer constant?


  • Options
  • A. 0
  • B. -8
  • C. +1074
  • D. -8.1

  • Correct Answer
  • -8.1 

    Explanation
    Integer constant should not have decimal point.

    More questions

    • 1. In the circuit below, delay of the EXOR and AND


      Logic gates are 20 ?s and 10 ?s respectively, then the wave y' and y (with initial condition y = 1) will be :

    • Options
    • A.
    • B.
    • C.
    • D.
    • Discuss
    • 2. In microwave circuits, a mode transducer is used to

    • Options
    • A. change mode of wave transmission
    • B. change direction of wave transmission
    • C. change polarization of wave transmission
    • D. change mode, direction or polarization wave transmission
    • Discuss
    • 3. In a microstrip transmission the signal can be easily redirected by changing the centre strip.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. When Schrodinger equation is applied to the motion of electron in the field of protons, the physically acceptable solutions for the wave function exist for quantum number which are

    • Options
    • A. 2
    • B. 3
    • C. 4
    • D. 5
    • Discuss
    • 5. Macroscopic quantities of a given material

    • Options
    • A. are absolutely constant
    • B. are a function of temperature
    • C. are a function of temperature, pressure field
    • D. none of the above
    • Discuss
    • 6. An homogeneous dielectric material is subjected to an electric field E. If a small cavity is made inside the material, the electric field intensity inside and outside the cavity are different.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. In an hydrogen atom, an electron moves in the field of a proton. The stability of orbit requires equilibrium between coulomb's force and centrifugal force.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. The core of an atom consists of

    • Options
    • A. nucleus
    • B. nucleus and all orbits
    • C. nucleus and inner orbits
    • D. none of the above
    • Discuss
    • 9. For dielectrics in alternating field, polarizability ae is a complex quantity. The imaginary part of ae is zero for

    • Options
    • A. ? = 0
    • B. ? ? ?
    • C. ? = 0 and ? ? ?
    • D. ? = natural frequency ?0
    • Discuss
    • 10. The wavelength of light emitted by GaAs laser is 8670 x 10-10 m. If h = 6.626 x 10-34 Js, velocity of light = 3 x 108 m/s and eV = 1.602 x 10-19 J, the energy gap in GaAs is

    • Options
    • A. 0.18 eV
    • B. 0.7 eV
    • C. 1.43 eV
    • D. 2.39 eV
    • Discuss


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