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Class 12 · Physics · Easy
→In which situation can flux through a plane surface be zero even though the electric field is not zero?
Class 12 · Physics · Medium
→Why is the field at a far axial point of a dipole taken along the dipole moment?
Class 12 · Physics · Hard
→Why is the field at a far equatorial point of a dipole opposite to the dipole moment?
Class 12 · Physics · Medium
→At a far axial point, the dipole field is sixty. What will be the equatorial field at the same distance?
Class 12 · Physics · Hard
→At the same distance, the equatorial field of a dipole is twenty. What will be the axial field?
Class 12 · Physics · Hard
→At a far axial point, the dipole field magnitude is forty at a certain distance. What will it be when the distance is doubled?
Class 12 · Physics · Hard
→A closed surface has zero net charge inside, but positive and negative charges are at different positions. Which statement about total flux and field is correct?
Class 12 · Physics · Medium
→A uniform electric field acts on a plane surface. If the surface is rotated so that flux changes from positive to negative, what has changed?
Class 12 · Physics · Medium
→If the angle between dipole moment and electric field is changed from thirty degrees to ninety degrees, what happens to torque?
Class 12 · Physics · Hard
→In a uniform electric field, the dipole moment is exactly opposite to the field. Which statement is correct?
Class 12 · Physics · Hard
→In a uniform electric field, the angle between dipole moment and field is zero. What is the nature of this position?
Class 12 · Physics · Hard
→In a uniform electric field, net force on a dipole is zero, yet it can rotate. What is the reason?
Class 12 · Physics · Medium
→If the dipole moment is to remain the same while the charge magnitude is made four times, how should the separation change?
Class 12 · Physics · Medium
→In a dipole, the charge magnitude is made three times and the separation is made half. What will be the dipole moment compared with the initial value?
Class 12 · Physics · Medium
→A closed surface has a positive charge inside and an equal negative charge outside. What will the total flux be equal to?
Class 12 · Physics · Easy
→A plane surface has its area vector toward east and the electric field toward west. What is the sign of flux?
Class 12 · Physics · Medium
→If no charge is enclosed by a closed surface, but electric field exists on some parts of the surface, what is the total flux?
Class 12 · Physics · Medium
→A closed surface completely enclosing a dipole is made smaller or larger, but both charges remain inside it. What happens to total flux?
Class 12 · Physics · Easy
→A closed surface contains two positive charges and one negative charge. If the net enclosed charge is positive, what will be the total outward electric flux?
Class 12 · Physics · Medium
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