- AStat Coulomb
- BCoulomb
- CEMU
- DPascal
Explanation:
The C.G.S. unit of charge is Stat Coulomb or ESU but in the SI system the unit is Coulomb. EMU is another unit of charge in the SI system. Pascal is the unit of pressure.
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The power of two convex lenses A and B are 8 diopters and 4 diopters respectively. If they are to be used as a simple microscope, the magnification of
|
(a) B will be greater than A |
(b) A will be greater than B |
|
(c) The information is incomplete |
(d) None of the above |
The relation between a and b parameters of current gains for a transistors is given by
|
(a) α = |
(b) α = |
(c) α = |
(d) α = |
Two protons exerts a nuclear force on each other, the distance between them is
|
(a) |
(b) |
(c) |
(d) |
Sinusoidal carrier voltage of frequency 1.5 MHz and amplitude 50 V is amplitude modulated by sinusoidal voltage of frequency 10 kHz producing 50% modulation. The lower and upper side-band frequencies in kHz are
|
(a) 1490, 1510 |
(b) 1510, 1490 |
(c) |
(d) |
The working of dynamo is based on principle of
|
(a) Electromagnetic induction |
(b) Conversion of energy into electricity |
|
(c) Magnetic effects of current |
(d) Heating effects of current |
The retarding potential for having zero photo-electron current
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(a) Is proportional to the wavelength of incident light |
|
(b) Increases uniformly with the increase in the wavelength of incident light |
|
(c) Is proportional to the frequency of incident light |
|
(d) Increases uniformly with the increase in the frequency of incident light wave |