- ✓$I^{-1}ML^{0}T^{-2}$
- B$I^{0}MLT^{-2}$
- C$IMLT^{-1}$
- D$IM^{-1}L^{-1}T^{-2}$
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Radius of
nucleus is 3 Fermi. The radius of
nucleus will be
|
(a) 5 Fermi |
(b) 6 Fermi |
(c) 11.16 Fermi |
(d) 8 Fermi |
One metallic sphere A is given positive charge whereas another identical metallic sphere B of exactly same mass as of A is given equal amount of negative charge. Then
|
(a) Mass of A and mass of B still remain equal |
|
(b) Mass of A increases |
|
(c) Mass of B decreases |
|
(d) Mass of B increases |
A, B and C are parallel conductors of equal length carrying currents I, I and 2I respectively. Distance between A and B is x. Distance between B and C is also x.
is the force exerted by B on A and F2 is the force exerted by B on A choose the correct answer

|
(a) |
(b) |
(c) |
(d) |
The capacity and the energy stored in a parallel plate condenser with air between its plates are respectively and
. If the air is replaced by glass (dielectric constant = 5) between the plates, the capacity of the plates and the energy stored in it will respectively be
|
(a) |
(b) |
(c) |
(d) |
A voltmeter essentially consists of
|
(a) A high resistance, in series with a galvanometer |
|
(b) A low resistance, in series with a galvanometer |
|
(c) A high resistance in parallel with a galvanometer |
|
(d) A low resistance in parallel with a galvanometer |
The magnetic flux linked with coil, in weber is given by the equation,
The induced emf in the coil in the fourth second is
|
(a) 10 V |
(b) 30 V |
(c) 45 V |
(d) 90 V |