- AIn the positive charges.
- BIn both the positive and negative charges.
- CIn the field between the plates.
- DAround the edges of the capacitor plates.
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The ionisation energy of 10 times ionised sodium atom is
|
(a) 13.6 eV |
(b) 13.6 × 11 eV |
(c) |
(d) 13.6 × (11)2 eV |
A real image is formed by:
A condenser of capacity 50μF is charged to 10 volts. Its energy is equal to
|
(a) 2.5 |
(b) 2.5 |
(c) 5 |
(d) 1.2 |
When two magnetic moments are compared using equal distance method the deflections produced are 45o and 30o. If the length of magnets are in the ratio 1 : 2, the ratio of their pole strengths is
|
(a) 3 : 1 |
(b) 3 : 2 |
(c) |
(d) 2 |
If n drops, each of capacitance C, coalesce to form a single big drop, then the ratio of the energy stored in the big drop to that in each small drop will be
|
(a) n : 1 |
(b) n1/3 : 1 |
(c) n5/3 : 1 |
(d) n2 : 1 |