A square surface of side \(L\) (metre) in the plane of the paper is placed in a uniform electric field \(E\) (volt/m) acting along the same plane at an angle θ with the horizontal side of the square as shown in the figure. The electric flux linked to the surface in the unit of V-m is:
1. | \(EL^{2}\) | 2. | \(EL^{2} cos\theta \) |
3. | \(EL^{2} sin\theta \) | 4. | \(0\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA thin conducting ring of radius \(R\) is given a charge \(+Q.\) The electric field at the centre \(O\) of the ring due to the charge on the part \(AKB\) of the ring is \(E.\) The electric field at the centre due to the charge on the part \(ACDB\) of the ring is:
1. \(3E\) along \(KO\)
2. \(E\) along \(OK\)
3. \(E\) along \(KO\)
4. \(3E\) along \(OK\)
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