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Chapter1 Electric Charges And Fields

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

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 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 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