Search questions
Use text search or combine filters to find exactly the questions you need.
Class 12 · Physics
→Why can electrons go from an earthed conductor to earth near a negatively charged rod?
Class 12 · Physics
→Why can electrons move from Earth to an earthed conductor near a positively charged rod?
Class 12 · Physics
→Why must earthing be removed before the external object is removed during charging by induction?
Class 12 · Physics
→Why does the net charge remain unchanged when induction occurs in a neutral conductor without contact or earthing?
Class 12 · Physics
→Why does a negative effect appear at the far end of a neutral conductor when a negatively charged rod is brought near it?
Class 12 · Physics
→Why does a positive effect appear at the far end of a neutral conductor when a positively charged rod is brought near it?
Class 12 · Physics
→Why does the surface charge distribution change when an external charge is brought near an isolated conductor?
Class 12 · Physics
→Charge spreads uniformly on an isolated spherical conductor but not necessarily on an irregular conductor. What is the main reason?
Class 12 · Physics
→Why is ionisation of air more likely near a sharp conducting tip?
Class 12 · Physics
→Why does surface charge density vary over a conductor having regions with different curvatures?
Class 12 · Physics
→The electric field just outside a conductor is perpendicular to its surface. Which conclusion follows from this fact?
Class 12 · Physics
→Why must the component of electric field parallel to a conductor surface be zero in electrostatic equilibrium?
Class 12 · Physics
→If the electric field inside a conductor is zero is it impossible to have electric field outside it?
Class 12 · Physics
→Why can an external charge not produce a field inside an empty cavity of a closed conducting shell?
Class 12 · Physics
→If a negative charge inside the cavity of a neutral conductor is not touching the conductor what will be the total charge on the outer surface?
Class 12 · Physics
→How is a positive charge placed in the cavity of a neutral conductor balanced so that the electric field inside the conducting material remains zero?
Class 12 · Physics
→What broad conclusion follows from an advanced study of conductors and insulators?
Class 12 · Physics
→If a material has very few free charge carriers, which electrostatic behaviour is more likely?
Class 12 · Physics
→What is the most fundamental physical basis of the difference between a conductor and an insulator?
Class 12 · Physics
→