A charged particle enters a uniform magnetic field with a certain speed at right angles
A charged particle enters a uniform magnetic field with a certain speed at right angles to it. In the magnetic…
6 years ago
Questions
A bar magnet has a coercivity of 4×10³ Am⁻¹. It is placed inside a solenoid
A bar magnet has a coercivity of 4x10³ Am⁻¹. It is placed inside a solenoid of length 12 cm having…
6 years ago
A block of mass 5 kg is moving horizontally at a speed of 1.5 m/s. A perpendicular force
A block of mass 5 kg is moving horizontally at a speed of 1.5 m/s. A perpendicular force of 5…
6 years ago
Two springs with spring constants K₁=1500 N/m and K₂=3000 N/m
Two springs with spring constants K₁=1500 N/m and K₂=3000 N/m are stretched by the same force. The ratio of potential…
6 years ago
If R is the radius of earth, the height at which the weight of a body 1/4 of its weight
If R is the radius of earth, the height at which the weight of a body 1/4 of its weight…
6 years ago
A satellite A of mass m is at a distance r from the centre of earth. Another satellite
A satellite A of mass m is at a distance r from the centre of earth. Another satellite B of…
6 years ago
A particle of mass 1.96×10⁻¹⁵ kg is kept in equilibrium between two horizontal metal
A particle of mass 1.96x10⁻¹⁵ kg is kept in equilibrium between two horizontal metal plates having potential difference of 400V…
6 years ago
A battery charges a parallel plate capacitor seperated by distance(d) so that the energy
A battery charges a parallel plate capacitor seperated by distance(d) so that the energy (V₀) is stored in the system.…
6 years ago
Pure Si at 300 k has equal electrons (nₑ) and hole (nh) concentrations
Pure Si at 300 k has equal electrons (nₑ) and hole (nh) concentrations of 1.5x10⁺¹⁶ m⁻³. Dopping by indium, nh…
6 years ago
Which gate can be obtained by shorting both the input terminals of a NOR gate?
Which gate can be obtained by shorting both the input terminals of a NOR gate? Options (a) NOT (b) OR…
6 years ago