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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।

PhysicsIf field lines are from left to right and their density is increasing, what will be the force direction and trend of magnitude on a negative charge?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsA positive charge is placed in a field where field lines become less dense while moving to the right. Which statement about the force on the charge is correct?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsWhy do electrostatic field lines not return to their starting point in a closed path?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsAt a point on the equatorial line of an electric dipole, how is the direction of net electric field related to the dipole moment direction?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Hard PhysicsFor an electric dipole, a point is taken on the axial line outside the positive charge. What is the direction of electric field there?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Hard PhysicsIf the same number of field lines passes through a smaller area, what can be said about the field strength?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Easy PhysicsCan the net electric field be zero at the exact midpoint between two unequal unlike charges?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsIf electric field lines are highly curved near a charge, what is the best way to find the direction at a point there?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsIn a region field lines come from infinity and end on a negative charge. Which situation does this match?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsIn a region electric field lines start from a positive charge and go to infinity. What can be inferred about the source arrangement from this diagram?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsFor a positive point charge, the second distance is three times the first distance. What is the ratio of the first field to the second field?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsAt a point two electric fields of magnitudes 8 and 6 newton per coulomb are perpendicular to each other. What is the magnitude of the net field?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsIf a positive test charge has zero force in a region but field lines are shown close together at the same location, what is the best comment?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Hard PhysicsA small positive test charge gets acceleration towards north in a field. If its magnitude is doubled, what is the direction of electric field at the same point?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsWhy can an electric field line not be parallel to an equipotential surface at a point?Class 12Electrostatic Potential and CapacitanceEquipotential SurfacesLevel 16Hard PhysicsAt a point the electric field is zero. Must the electric potential there also be zero?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Hard PhysicsIf field lines are straight and parallel but spacing gradually increases, what is the best conclusion about the field?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsIn a region field lines are equally spaced but slightly curved. Why should it not be treated as a perfectly uniform field?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsThe electric field due to a point charge at one point is four times that at another point on the same radial line. Which statement about distance can be correct?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsThe density of field lines at two points is in the ratio 3 to 1. What will be the approximate ratio of forces on the same positive charge?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium