The current between B and D in the given figure is
|
(a) 1 amp |
(b) 2 amp |
(c) Zero |
(d) 0.5 amp |
The current between B and D in the given figure is
|
(a) 1 amp |
(b) 2 amp |
(c) Zero |
(d) 0.5 amp |
(c) Zero
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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 |


The radius of a soap bubble whose potential is 16V is doubled. The new potential of the bubble will be
|
(a) 2V |
(b) 4V |
(c) 8V |
(d) 16V |
Two capacitors each of capacity 2 μF are connected in parallel. This system is connected in series with a third capacitor of 12 μF capacity. The equivalent capacity of the system will be
|
(a) 16 μF |
(b) 13 μF |
(c) 4 μF |
(d) 3 μF |