Is a negatively charged particle present in an atom.
A). Proton
B). Neutron
C). Electron
D). None of the above
The conductors have transport phenomena of electrons due to
A). Electric field
B). Magnetic field
C). Electromagnetic field
D). None of the above
The colour of an object is decided by
A). The reflected colour
B). The wavelength transmitted through it
C). Reflected colour for opaque object and wavelength transmitted through it for transparent objects
D). None of the above
Full duplex operation permits transmission in both directions at the same time.
A). True
B). False
In case of frequency modulation, modulating voltage remains constant if the modulating frequency is lowered, then
A). Amplitude of distant sidebands decreases
B). Amplitude of distant sidebands increases
C). Amplitude of distant sidebands remains constant
D). Amplitude of distant sidebands first increases, then decreases