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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।

PhysicsIn a uniform electric field, field lines are straight and parallel. If the arrow direction of the lines is reversed, which quantity changes?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Easy PhysicsIf a closed metal sphere has no free charge inside its cavity and is in electrostatic condition, what is the electric field inside the metal of the sphere?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Easy PhysicsElectric field lines are shown oblique to a conductor surface. In electrostatic condition what does this indicate?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsAt a point tangent to one electric field line shows east direction, while a nearby second line at the same point shows north direction. Why is this impossible?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Easy PhysicsAt a point two electric fields of equal magnitude are perpendicular to each other. What will be the magnitude of the net field?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsAt a point one field is 12 newton per coulomb towards north and another is 5 newton per coulomb towards south. What is the net field?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Easy PhysicsWhy is the net electric field at the exact midpoint between equal magnitude positive and negative charges not zero?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsTwo equal negative charges are placed on a line. At a point slightly above the exact midpoint what is the direction of the net electric field?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Hard PhysicsTwo equal positive charges are placed on a straight line. At a point slightly above their exact midpoint what will be the direction of the net electric field?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Hard PhysicsAt a point the electric field is towards east. Which statement is correct about the forces on equal magnitude positive and negative charges placed at that point?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Hard PhysicsTo determine field-line direction near a charge, what should be checked first?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Easy PhysicsIf two electric fields at a point are perpendicular, how is the direction of resultant field found?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium PhysicsFor a negative charge, what is the direction of electric field at a point on its right side?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Easy PhysicsFor a positive charge, what is the direction of electric field at a point on its right side?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Easy PhysicsIn a uniform electric field, how is the density of field lines everywhere?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium PhysicsWhat is the main purpose of electric field lines?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium PhysicsWhat is the shape of field lines for an isolated positive point charge?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium PhysicsVery close spacing of electric field lines indicates what?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium PhysicsIn a uniform electric field, in which direction will a negative charge start moving if released freely?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium PhysicsIn a uniform electric field, in which direction will a positive charge start moving if released freely?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium