No current flows between two charged bodies connected together when they have the same
|
(a) Capacitance or |
(b) Charge |
|
(c) Resistance |
(d) Potential or |
(d) Potential or 
ratio
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The angular dispersion produced by a prism:
A charged particle moving in a magnetic field experiences a resultant force
|
(a) In the direction of field |
|
(b) In the direction opposite to that field |
|
(c) In the direction perpendicular to both the field and its velocity |
|
(d) None of the above |
The magnitude of electric field E in the annular region of a charged cylindrical capacitor
|
(a) Is same throughout |
|
(b) Is higher near the outer cylinder than near the inner cylinder |
|
(c) Varies as 1/r, where r is the distance from the axis |
|
(d) Varies as |
Monochromatic light is refracted from air into the glass of refractive index μ. The ratio of the wavelength of incident and refracted waves is
|
(a) 1 : μ |
(b) 1 : |
(c) μ : 1 |
(d) 1 : 1 |
To generate a power of 3.2 mega watt, the number of fissions of 
per minute is (Energy released per fission = 200MeV, 1eV = 1.6 
|
(a) 1.6 |
(b) 6 |
(c) |
(d) 6 |
An oscillator is nothing but an amplifier with
|
(a) Positive feed back |
(b) Large gain |
|
(c) No feedback |
(d) Negative feedback |
Which of the following is not reversible
|
(a) Joule effect |
(b) Peltier effect |
(c) Seebeck effect |
(d) Thomson effect |
