A circuit area 0.01 m² is kept inside a magnetic field which is normal to its plane.
A circuit area 0.01 m² is kept inside a magnetic field which is normal to its plane. The magnetic field…
8 years ago
Physics
A bar magnet of moment M and pole strength m is cut into parts of equal lengths.
A bar magnet of moment M and pole strength m is cut into parts of equal lengths. The magnetic moment…
8 years ago
A pellet of mass 1 g is moving with an angular velocity of 1 rad/s along a circle
A pellet of mass 1 g is moving with an angular velocity of 1 rad/s along a circle of radius…
8 years ago
A roller coaster is designed such that riders experience “weightlessness” as they
A roller coaster is designed such that riders experience "weightlessness" as they go round the top of a hill whose…
8 years ago
Suppose for some reasons, radius of earth were to shrink by 1% of present value,
Suppose for some reasons, radius of earth were to shrink by 1% of present value, mass remaining same, then g(acceleration…
8 years ago
In some region, gravitational field is zero. The gravitational potential
In some region, gravitational field is zero. The gravitational potential in this region Options (a) Must be variable (b) Must…
8 years ago
A capacitor of capacitance 100μF is charged by connecting it to a battery of voltage
A capacitor of capacitance 100μF is charged by connecting it to a battery of voltage 12V with internal resistance 2Ω.…
8 years ago
A Gaussian surface in the cylinder of cross-section πa² and length L is immersed
A Gaussian surface in the cylinder of cross-section πa² and length L is immersed in a uniform electric field E…
8 years ago
In N-type semi-conductor current is due to
In N-type semi-conductor current is due to Options (a) Electrons (b) Holes (c) Electrons and holes (d) None of these…
8 years ago
An LED is constructed from a p-n junction based on a certain semi-conducting
An LED is constructed from a p-n junction based on a certain semi-conducting material whose energy gap is 1.9 eV.…
8 years ago