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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 very dense in a small region and become sparse farther away, which conclusion about the electric field is appropriate?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium PhysicsIf some field lines starting from a positive charge do not end on a negative charge and are shown going very far away, what does this indicate?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium PhysicsIn the field-line diagram of two unequal opposite charges, which charge will be associated with more field lines?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Medium PhysicsAt the midpoint between two equal positive charges, the electric field is zero. Why are electric field lines still not shown intersecting there?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 18Hard PhysicsIn a non-uniform electric field, field lines go from dense to sparse regions and arrows point in the same direction. If a positive charge is released, what is correct about the force direction and magnitude?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Medium PhysicsIn a region, the magnitude of electric field is the same at equally spaced points but its direction changes. Is the field uniform?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Easy PhysicsA positive test charge at a point experiences zero force. Is it correct to say that there is no charge nearby?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Hard PhysicsA positive test charge is kept small to find electric field. If it is large and shifts the source charges, what is the main error in the obtained field?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Hard PhysicsIf field lines are directed inward near one charge and outward near another, what conclusion follows about the signs of the two charges?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Easy PhysicsWhat care is correct while relating the number of electric field lines to the magnitude of charge?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Medium PhysicsIn a diagram, field lines are straight between parallel plates but bend outward near the edges. Why is the edge field not called uniform?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Medium PhysicsIn a region, field lines point left and become more sparse toward the left. Which statement about force on a negative charge is correct?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Hard PhysicsIn a non-uniform electric field, field lines point right and become denser toward the right. Which statement about force on a positive charge is correct?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Medium PhysicsAt a point, electric field direction is northeast. What does this mean for force on a positive test charge?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Easy PhysicsAt a place, field lines are downward and a negative charge is observed accelerating upward. Which conclusion is correct?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Medium PhysicsIf electric field at a point becomes double and the test charge becomes half, how will the force compare with the initial force?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Medium PhysicsA positive charge is to be kept at rest in an eastward electric field. In which direction should the external force act?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Medium PhysicsAt a point, the electric field is eastward. To keep a negative charge at rest there, in which direction must an external force be applied?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Medium PhysicsIf the distance from a point charge is halved and the source charge is tripled, how many times will the electric field become?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Medium PhysicsDue to a positive charge, the field at point A is four times the field at point B. If both points lie on the same line, what can be said about their distances?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Medium