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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।

PhysicsWhy is the zero-field point between two unequal positive charges closer to the smaller charge?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Hard PhysicsWhy is the electric field at the exact midpoint between two equal and opposite charges not zero?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Medium PhysicsAt a point, the net electric field is zero. If a negative test charge is placed there instead of a positive test charge, which statement about force is correct?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Medium PhysicsAt a point, two electric fields of six newtons per coulomb and eight newtons per coulomb are mutually perpendicular. What is the magnitude of the resultant field?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Medium PhysicsThe net electric field at the midpoint of two equal positive charges is zero, but why does it not remain zero when the point is slightly shifted upward?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 17Hard PhysicsIn a diagram electric field lines suddenly end near a point, but no negative charge is shown there. What is the most appropriate comment?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsFor a closed surface around a negative charge, field lines enter from outside. What is the correct meaning?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Easy PhysicsA small closed surface is drawn around a positive point charge. What does field lines leaving the surface indicate?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsIf in a small region field lines are almost parallel but arrows are shown in opposite directions on nearby lines, what is the main error in the diagram?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsAt a point the magnitude of electric field remains same but direction changes with time. Can it be called a steady uniform electric field?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Easy PhysicsAt a point two electric fields have equal magnitude and the angle between them is sixty degrees. The resultant field will be greater than which value?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsIf field lines are very close at a point but their direction changes rapidly nearby, which conclusion is correct about the field?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsWhy can taking a very large positive test charge cause a problem in measuring electric field at a point?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsWhy is it wrong to treat electric field lines as the actual paths of particles?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsIf the electric field magnitude at a point becomes double and the same negative charge is placed there, what happens to force magnitude and direction?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsIf the electric field at a point is towards south and a negative charge is released there, what is the initial acceleration direction?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Medium PhysicsIn a diagram, field lines are shown ending on a positive charge. Which rule is violated?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Easy PhysicsIn a diagram, field lines are shown emerging outward from a negative charge. Why is this wrong?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Easy PhysicsA positive charge is placed in a uniform electric field. If its mass is increased but charge remains the same, what happens to the electric force?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Easy PhysicsIn a region the net electric field due to two charges is zero. What is the issue if field lines are shown passing through that exact point?Class 12Electric Charges and FieldsElectric Field and Electric Field LinesLevel 16Hard