In a triode amplifier, 
kilo ohm and load resistance 
kilo ohm. If the input signal voltage is 0.5 volt, then output signal voltage will be
|
(a) 1.25 volt |
(b) 5 volt |
(c) 2.5 volt |
(d) 10 volt |
(c) 2.5 volt
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Work done in moving a positive charge on an equipotential surface is
|
(a) Finite, positive but not zero |
(b) Finite, negative but not zero |
|
(c) Zero |
(d) Infinite |
The two slits at a distance of 1 mm are illuminated by the light of wavelength 6.5 
. The interference fringes are observed on a screen placed at a distance of 1m. The distance between third dark fringe and fifth bright fringe will be
|
(a) 0.65 mm |
(b) 1.63 mm |
(c) 3.25 mm |
(d) 4.88 mm |
What causes chromatic aberration?
Which one is in forward bias
|
(a)
|
(b)
|
(c)
|
(d) None of these |
With the increase in principle quantum number, the energy difference between the two successive energy levels
|
(a) Increases |
|
(b) Decreases |
|
(c) Remains constant |
|
(d) Sometimes increases and sometimes decreases |
A coil develops heat of 800 cal/sec. When 20 volts is applied across its ends. The resistance of the coil is (1 cal = 4.2 joule)
|
(a) 1.2 Ω |
(b) 1.4 Ω |
(c) 0.12 Ω |
(d) 0.14 Ω |
