A condenser has a capacity 2 μF and is charged to a voltage of 50 V. The energy
A condenser has a capacity 2 μF and is charged to a voltage of 50 V. The energy stored is…
8 years ago
Physics
A common emitter amplifier gives an output of 3 V for an input of 0.01 V.
A common emitter amplifier gives an output of 3 V for an input of 0.01 V. If β of the…
8 years ago
The electric vector vibration of an electromagnetic wave is given by
The electric vector vibration of an electromagnetic wave is given by E=(50 NC⁻1) sin ω(t-x/c). The intensity of the wave…
8 years ago
A coil of 100 turns carries a current of 5 mA and creates a magnetic flux of 10⁻⁵ Wb.
A coil of 100 turns carries a current of 5 mA and creates a magnetic flux of 10⁻⁵ Wb. The…
8 years ago
A rod of 10 cm length is moving perpendicular to uniform magntic field of intensity
A rod of 10 cm length is moving perpendicular to uniform magntic field of intensity 5x10⁻⁴Wbm⁻². If the acceleration of…
8 years ago
Hard X-rays for the study of fractures in bones should have a minimum wavelength
Hard X-rays for the study of fractures in bones should have a minimum wavelength of 10⁻¹¹ m. The accelerating voltage…
8 years ago
According to photon theory of light which of the following physical quantities,
According to photon theory of light which of the following physical quantities, associated with a photon, do not/does not change…
8 years ago
6Ω and 12Ω resistors are connected in parallel. This combination is connected
6Ω and 12Ω resistors are connected in parallel. This combination is connected in series with a 10 V battery and…
8 years ago
A cell of emf E and internal resistance r supplies current for the same time
A cell of emf E and internal resistance r supplies current for the same time t through external resistance R₁…
8 years ago
1 a.m.u. is equivalent to
1 a.m.u. is equivalent to Options (a) 1.6x10⁻¹² J (b) 1.6x10⁻¹⁹ J (c) 1.5x10⁻¹⁰ J (d) 1.5x10⁻¹⁹ J Correct Answer:…
8 years ago