Semiconductor Electronic: Material, Devices And Simple Circuits — Physics STD 12 Science — Question

A current carrying rectangular coil is placed in a uniform magnetic field. In which orientation, the coil will not tend to rotate

The average binding energy per nucleon in the nucleus of an atom is approximately(a) 8 eV(b) 8 KeV(c) 8 MeV(d) 8 J

If a torch is used in place of monochromatic light in Young’s experiment what will happens(a) Fringe will appear for a moment then it will disappear(b) Fringes will occur as from monochromatic light(c) Only bright fringes will appear (d) No fringes will appear

A galvanometer has a resistance of 25 ohm and a maximum of 0.01 A current can be passed through it.  In order to change it into an ammeter of range 10 A, the shunt resistance required is(a) 5/999 ohm(b) 10/999 ohm(c) 20/999 ohm(d) 25/999 ohm

A free charged particle moves through a magnetic field. The particle may undergo a change in:

When a bi-convexo lens of glass with refractive index 1.47 is immersed in a liquid, then it behaves like a plane glass sheet, it means that the refractive index of the liquid is :

The resistance of a cell does not depend on(a) Current drawn from the cell(b)Temperature of electrolyte(c) Concentration of electrolyte(d) The e.m.f. of the cell

The cations and anions are arranged in alternate form in