A hollow charged metal spherical shell has radius R. If the potential difference between its surface and a point at a distance 3R from the center is V, then the value of electric field intensity at a point at distance 4R from the center is
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCapacitors are connected in series across a source of emf 20KV. The potential difference across will be
(1) 5 KV
(2) 15 KV
(3) 10 KV
(4) 20 KV
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe equivalent capacitance between A and B is as the given figure:
(1)
(2)
(3)
(4) None of these
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo metallic spheres of radii 2cm and 3cm are given charges 6mC and 4mC respectively. The final charge on the smaller sphere will be if they are connected by a conducting wire
(1) 4mC
(2) 6mC
(3) 5mC
(4) 10mC
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen a proton at rest is accelerated by a potential difference V, its speed is found to be v. The speed of an \(\alpha-\textit{particle}\) when accelerated by the same potential difference from rest will be:
1. v
2.
3.
4. 2v
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the circuit shown in figure, energy stored in 6 capacitor will be:
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe figure shows some of the equipotential surfaces. Magnitude and direction of the electric field is given by
1. 200 V/m, making an angle with the x-axis
2. 100 V/m, pointing towards the negative x-axis
3. 200 V/m, making an angle with the x-axis
4. 100 V/m, making an angle with the x-axis
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn air capacitor of capacity is connected to a constant voltage battery of 12 V. Now the space between the plates is filled with a liquid of dielectric constant 5. The charge that flows now from battery to the capacitor is
1. 120
2. 699
3. 480
4. 24
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA and B are two concentric metallic shells. If A is positively charged and B is earthed, then electric
1. Field at common centre is non-zero
2. Field outside B is nonzero
3. Potential outside B is positive
4. Potential at common centre is positive
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology