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Class 12 · Physics
→Why is the zero-field point for unequal opposite charges generally not found between the two charges on their joining line?
Class 12 · Physics
→Why is the zero-field point between two unequal positive charges closer to the smaller charge?
Class 12 · Physics
→Why is the electric field at the exact midpoint between two equal and opposite charges not zero?
Class 12 · Physics
→At 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 12 · Physics
→If the electric field at a point is twelve newtons per coulomb upward and a negative charge of three coulombs is placed there, what will be the force?
Class 12 · Physics
→At 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 12 · Physics
→The 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 12 · Physics
→If the distance from a positive point charge is made three times and the charge is doubled, what will be the electric field compared to the initial value?
Class 12 · Physics
→In a diagram electric field lines suddenly end near a point, but no negative charge is shown there. What is the most appropriate comment?
Class 12 · Physics
→For a closed surface around a negative charge, field lines enter from outside. What is the correct meaning?
Class 12 · Physics
→A small closed surface is drawn around a positive point charge. What does field lines leaving the surface indicate?
Class 12 · Physics
→If 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 12 · Physics
→At a point the magnitude of electric field remains same but direction changes with time. Can it be called a steady uniform electric field?
Class 12 · Physics
→At 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 12 · Physics
→If field lines are very close at a point but their direction changes rapidly nearby, which conclusion is correct about the field?
Class 12 · Physics
→If a small positive test charge is placed at the zero-field point between two positive charges, what will be the electric force?
Class 12 · Physics
→Why can taking a very large positive test charge cause a problem in measuring electric field at a point?
Class 12 · Physics
→Why is it wrong to treat electric field lines as the actual paths of particles?
Class 12 · Physics
→If 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 12 · Physics
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