The work done will be zero if the angle between the force and distance is:
Displacement ⁄ time taken is equal to:
kilohertz is a unit which measures
If the resistance of a heating coil is 30Ω and a potential difference is 60V. The current passing should be:
Velocity, displacement, force, momentum are the examples of:
The value of Stefan-Boltazman constant in SI unit is
The silicon sample with unit cross-sectional area shown below is in thermal equilibrium. The following information is given: T = 300 K, electronic charge = 1.6 x 10-19C, thermal voltage = 26mV and electron mobility = 1350 cm2/V-sThe magnitude of the electric field at x = 0.5 µm is
Property of a substance which offers opposition to flow of current through it is called
Ratio of sin (x°) of angle of incidence to sin (x°) of angle of refraction is
Time taken by a train to slow down from 80 kmh-1 to 20 kmh-1 with a uniform deceleration of 2 ms-2 is
If 0.6 C charge passes through a wire in 12 s, then current flowing through wire is
In terms of velocity, symbol vi is used for
A bus starts from rest. Its velocity becomes 30 ms-1 in 8s. Its acceleration will be
Wires carrying electricity are covered with good insulator, called
