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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।

PhysicsTwo electric fields have equal magnitudes and the angle between them is 120 degrees. What will be the magnitude of the resultant field?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Hard PhysicsIf the distance from a point charge is tripled and the source charge is made nine times, what happens to the electric field?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsIf the distance from a point charge is halved and the source charge is made three times, what happens to the electric field?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsA positive charge and a negative charge four times larger in magnitude are placed on a line. Where can the zero electric field point be found?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Hard PhysicsWhy can the net electric field not be zero at the exact midpoint between two unequal unlike charges?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsBetween two unequal positive charges, the point where net electric field is zero is generally closer to which charge?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Expert PhysicsIn a field-line diagram, no line is drawn in a certain region. Does this always prove that the electric field there is zero?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium PhysicsThe net field at a point is zero, but at nearby points the field is not zero. What should be understood from this?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Hard PhysicsWhy do electric field lines not form closed curves in an electrostatic field?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Hard PhysicsIf field lines in a region are parallel but their arrows are shown in opposite directions, why is the diagram incorrect?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium PhysicsIn a uniform field, the force on a positive charge is northward. What will be the force on an equal magnitude negative charge at the same place?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium PhysicsA negative charge experiences a force of 0.01 newton towards east. What is the direction of electric field at that location?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium PhysicsA force of 0.008 newton acts on a 4 microcoulomb positive charge at a point. What is the magnitude of electric field at that point?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium PhysicsThe electric field at a point is 600 newton per coulomb. What force acts on a 2 microcoulomb positive charge placed there?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium PhysicsAt a point, fields due to two charges are individually non-zero, yet the net field can be zero. Which principle explains this?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium PhysicsThe field due to a point charge is 50 newton per coulomb. Another field of equal magnitude is added in the same direction. What will be the direction of force on a positive charge?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium PhysicsIn a field-line diagram, two lines appear to come very close but do not intersect. Which rule does this agree with?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium PhysicsIf field lines near a charge are going outward and then bend toward a negative charge farther away, what is the sign of the starting charge?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Easy PhysicsNear the surface of a large plane conductor, why are field lines approximately parallel and perpendicular to the surface?Class 12Electric Charges and FieldsElectric Charges and their ConservationLevel 18Hard PhysicsIf field lines in a region are straight but not equally spaced, what kind of field is it?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium