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Question 1 of 15
1. Question
If A is the area of each plate, charge on it is q and potential difference is V, then the distance between parallel plate capacitor is
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Question 2 of 15
2. Question
If n identical capacitors are connected in series and then in parallel, then the ratio of effective capacity in parallel and in series combination is i.e C(p)/C(s)
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Question 3 of 15
3. Question
Two identical capacitors are first connected in series and then in parallel. The difference between their effective capacities is 3μF. The capacity of each capacitor is
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Question 4 of 15
4. Question
In Milliken’s Experiment, an oil drop having charge q, mass m , gets accelerated by applying a potential difference V in between two plates separated by a distance d. The acceleration is
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Question 5 of 15
5. Question
Two concentric spheres kept in air have radii R and r . They have similar charge and equal surface charge density σ . The electric potential at their common centre is (ε0= permittivity of free space)
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Question 6 of 15
6. Question
Two charges of equal magnitude q are placed in air at a distance 2a apart and third charge -2q is placed at midpoint. The potential energy of this system is (ε0= Permittivity of free space)
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Question 7 of 15
7. Question
A capacitor C1= 4μF is connected in series with another capacitor C2= 1μF . The combination is connected across d.c source of 200V . The ratio of potential across C2 to C1 is
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Question 8 of 15
8. Question
Three parallel plate air capacitors are connected in parallel. Each capacitor has plate area A/3 and the separation between the plates is d. 2d and 3d respectively. The equivalent capacity of combination is (ε0= absolute permittivity of free space)
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Question 9 of 15
9. Question
When three capacitors of equal capacities are connected in parallel and one of the same capacity is connected in series with its combination. The resultant capacity is 3.75μF. The capacity of each capacitor is
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Question 10 of 15
10. Question
A series combination of N1 capacitors (each of capacity of C1) is charged to potential difference ‘3V’ . Another parallel combination of ‘N2’ Capacitors (each of capacity of C2) is charged to potential difference ‘V’ . The total energy stored in both combinations is same. The value of C1 in terms of C2 is
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Question 11 of 15
11. Question
What is the shape and magnetic nature of permanganate ion ?
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Question 12 of 15
12. Question
Which one of the following elements has highest second ionization enthalpy ?
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Question 13 of 15
13. Question
Which among the following elements belong to first inner transition series ?
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Question 14 of 15
14. Question
Which one of the following elements is present in an alloy , Elecktron in combination with zinc ?
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Question 15 of 15
15. Question
Which among the following elements has completely filled 4f subshells?
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