List of top Physics Questions asked in KCET

\(\overrightarrow{E}\) is the electric field inside a conductor whose material has conductivity σ and resistivity ρ . The current density inside the conductor is \(\overrightarrow{j}\) . The correct form of Ohm's law is

A capacitor of capacitance 5μF is charged by a battery of emf 10V. At an instant of time, the potential difference across the capacitors is 4V and the time rate of change of potential difference across the capacitor is 0.6 Vs^-1. Then the time rate at which energy is stored the capacitor at the instant is

Under electrostatic condition of a charged conductor, which among the following statements is true?

The total electric flux through a closed spherical surface of radius ‘r’ enclosing an electric dipole of dipole moment 2aq is (Give ε₀ = permittivity of free space)

A uniform electric field E-3×10⁵NC^-1 is acting along the positive Y-axis. The electric flux through a rectangle of area 10cm × 30 cm whose plane is parallel to the Z-X plane is

A body has a charge of -3.2μC . The number of excess electrons it has is

A motor-cyclist moving towards a huge cliff with a speed of 18 kmh^-1, blows a horn of source frequency 325 Hz. If the speed of the sound in air is 330 ms^-1, the number of beats heard by him is

For a particle executing simple harmonic motion (SHM), at its mean position