A straight wire is kept horizontally along east-west direction. If a steady current flows in wire...
2:23
The radius rn of nth orbit in Bohr model of hydrogen atom varies with n as:...
8:38
A circular loop A of radius R carries a current I. Another circular loop B of radius r...
9:15
Assertion A: The temperature coefficient of resistance is positive for metals and ...
12:00
A coil of N turns is placed in a magnetic field B such that B is perpendicular to the plane of the..
5:11
Assertion (A): Electrons are ejected from the surface of Zinc when it is irradiated by Yellow light.
6:26
A battery supplies 0.9 A current through a 2ohm resistor and 0.3 A current through a 7 ohm...
2:19:17
Deha 19. Bölüm
21:43