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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): | \(\varepsilon_0\)). | The electric flux due to the external charge q and the induced charges on the sphere through the spherical surface S shown dotted in the diagram, is (-q/
Reason (R): | Negative charges are induced on the surface of the conducting sphere due to the positive charge q in the vicinity, and the potential of the conducting sphere is zero. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | (A) is false but (R) is true. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology(I) | The charge on the plates increases. |
(II) | The energy stored in the capacitor increases. |
(III) | Work is done by the battery as the slab is inserted. |
1. | I, II are true | 2. | I and III are true |
3. | only I is true | 4. | I, II, and III are true |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): | Absolute potential at any point is meaningful only when some reference level for the potential is defined. |
Reason (R): | The capacitance of any parallel plate capacitor depends on the charge on the capacitor and the voltage applied across the plates. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
3. | (A) is true but (R) is false. |
4. | Both (A) and (R) are false. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
A: | Key \(K\) is kept closed and plates of capacitors are moved apart using insulating handle. |
B: | Key \(K\) is opened and plates of capacitors are moved apart using the insulating handle. |
Choose the correct option(s).
1. | In A: \(Q\) remains same but \(C\) changes. |
2. | \(V\) remains same but \(C\) changes. | In B:
3. | In A: \(V\) remains same and hence \(Q\) changes. |
4. | In B: \(Q\) remains same and hence \(V\) changes. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology