A charge Q is uniformly distributed over a large plastic plate. The electric field
A charge Q is uniformly distributed over a large plastic plate. The electric field at point P close to centre…
8 years ago
Physics
A solid which is transparent to visible light and whose conductivity increases
A solid which is transparent to visible light and whose conductivity increases with temperature is formed by Options (a) Metallic…
8 years ago
A change of 0.04 V takes place between the base and the emitter when an input
A change of 0.04 V takes place between the base and the emitter when an input signal is connected to…
8 years ago
Out of the following options which one can be used to produce a propagating
Out of the following options which one can be used to produce a propagating electromagnetic wave? Options (a) A stationary…
8 years ago
A coil has an area of 0.05 m² and it has 800 turns. It is placed perpendicularly
A coil has an area of 0.05 m² and it has 800 turns. It is placed perpendicularly in a magnetic…
8 years ago
A copper disc of radius 0.1 m is rotated about its centre, with 10 revolutions
A copper disc of radius 0.1 m is rotated about its centre, with 10 revolutions per second, in a uniform…
8 years ago
During production of cathode ray
During production of cathode ray Options (a) d.c. source is connected across cathode ray tube (b) a.c. source is connected…
8 years ago
Excitation energy of a hydrogen like ion, in its first excitation state, is 40.8 eV.
Excitation energy of a hydrogen like ion, in its first excitation state, is 40.8 eV. The energy needed to remove…
8 years ago
A cell can be balanced against 110 cm and 100 cm of potentiometer wire, respectively
A cell can be balanced against 110 cm and 100 cm of potentiometer wire, respectively with and being short circuited…
8 years ago
24 cells of emf 1.5 V each having internal resistance of 1 ohm are connected
24 cells of emf 1.5 V each having internal resistance of 1 ohm are connected to an external resistance of…
8 years ago