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Class 12 Mcq

Class 12 Physics के इस tag से जुड़े questions। हर question के साथ chapter, topic, level और difficulty दी गई है।

PhysicsAt a point electric field is zero, yet electric potential can be non-zero. What is the reason?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Hard PhysicsAt a point electric field is zero, but nearby field lines curve around it. Why should a field line not be drawn through the zero point?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 16Hard PhysicsEqual positive charges are placed at three corners of a square and the fourth corner is empty. The direction of net field at the centre will be related to what?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Hard PhysicsFour equal positive charges are placed at the corners of a square. Why will the net electric field at the centre be zero?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsThree equal positive charges are placed at the corners of an equilateral triangle. What is the net electric field at the centre?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsIf two equal magnitude fields are perpendicular, what angle does the resultant make with each field?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsIn a small region the magnitude of electric field is constant but direction gradually rotates. What type of field is it?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsWhy is a negative charge accelerated opposite to the tangent direction of a curved electric field line?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsA positive test charge is released on a curved field line. Will it necessarily move along the entire field line?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Hard PhysicsWhy does the far field of an electric dipole decrease faster with distance than the field of a point charge?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 16Hard PhysicsAt a far point on the equatorial line of an electric dipole, what is the direction of net electric field?Class 12Electric Charges and FieldsElectric Flux and Electric DipoleLevel 16Hard PhysicsAt a far point on the axial line of an electric dipole, what is the direction of electric field?Class 12Electric Charges and FieldsElectric Flux and Electric DipoleLevel 16Hard PhysicsField lines from a positive point charge spread out as distance increases. Which mathematical dependence does this match?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsWhy is charge denser near sharp parts of an irregular conductor in electrostatic condition?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 16Hard PhysicsEven when electric field inside an electrostatic conductor is zero, why can field exist just outside its surface?Class 12Electric Charges and FieldsConductors and InsulatorsLevel 16Medium PhysicsWhat would happen if the tangential component of electric field on the surface of an electrostatic conductor were not zero?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Hard PhysicsWhy must the tangential component of electric field on an equipotential surface be zero?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Hard PhysicsIf electric field lines intersect in a diagram, what is the deepest physical error?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsIn a region electric field lines are equally spaced but curved like circular arcs. Why is this not suitable for a perfectly uniform field?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Hard PhysicsTwo equal electric fields are in opposite directions. If the direction of one is slightly rotated, which statement about the resultant field is correct?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Hard