Three capacitors of capacitances 3 μF, 10 μF and 15 μF are connected in series
Three capacitors of capacitances 3 μF, 10 μF and 15 μF are connected in series to a voltage source of 100V. The charge on 15 μF is
Options
(a) 500 μC (b) 100 μC […]
Electrostatics
An inclined plane of length 5.60m making an angle of 45⁰ with the horizontal is placed
An inclined plane of length 5.60m making an angle of 45⁰ with the horizontal is placed in a uniform electric field E=100Vm⁻¹. A particle of mass 1kg and charge 10⁻²C is allowed to slide down […]
If the electric field lines is flowing along axis of a cylinder, then the flux
If the electric field lines is flowing along axis of a cylinder, then the flux of this field through the cylindrical surface with the axis parallel to the field is [where r=radius of cylinder]
An electron of mass Mₑ, initially at rest, moves through a certain distance in a uniform
An electron of mass Mₑ, initially at rest, moves through a certain distance in a uniform electric field in time t₁. A proton of mass Mp also initially at rest, takes time t₂ to move […]
A spherical shell of radius 10cm is carrying a charge q. If the electric potential
A spherical shell of radius 10cm is carrying a charge q. If the electric potential at distance 5cm, 10cm and 15cm from the centre of the spherical shell is V₁,V₂ and V₃ respectively, then
Two conducting spheres of radii 5 cm and 10 cm are given a charge of 15 μC each.
Two conducting spheres of radii 5 cm and 10 cm are given a charge of 15 μC each. After the two spheres are joined by a conducting wire, the charge on the smaller sphere is […]
A parallel plate capacitor is charged and then isolated. The effect of increasing
A parallel plate capacitor is charged and then isolated. The effect of increasing the plate seperation on charge, potential and capacitance respectively are,
Options
(a) constant, decreases, increases (b) constant,decreases,decreases (c) constant, increases, […]
Pick out the statement ehich is incorrect?
Pick out the statement which is incorrect?
Options
(a) A negative test charge experience a force opposite to the direction of the field (b) the tangent drawn to a line of force represents […]
The angle between the dipole moment and electric field at any point on the equatoria
The angle between the dipole moment and electric field at any point on the equatorial plane is
Options
(a) 180° (b) 0° (c) 45° (d) 90°
Correct Answer:
180°
Explanation:
No explanation available. […]
The acceleration of an electron in an electric field of magnitude 50 V/cm,
The acceleration of an electron in an electric field of magnitude 50 V/cm, if e/m value of the electron is 1.76×10¹¹ C/kg will be
Options
(a) 8.8×10¹⁴ m/sec² (b) 3×10¹³ m/sec² (c) 5.4×10¹² m/sec² […]