- $6\mu\text{F},\ 18\mu\text{F}$
- $3\mu\text{F},\ 12\mu\text{F}$
- $2\mu\text{F},\ 12\mu\text{F}$
- $2\mu\text{F},\ 18\mu\text{F}$
Explanation:
The minimum capacitance can be obtained by connecting all capacitors in series. It can be calculated as follows:
$\frac{1}{\text{C}}=\frac{1}{6}+\frac{1}{6}+\frac{1}{6}=\frac{1}{2}$
$\Rightarrow\text{C}=2\mu\text{F}$
The maximum capacitance can be obtained by connecting all capacitors in parallel. It can be calculated as follows:
$\text{C}=6+6+6=18\mu\text{F}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
The wavelength of maximum energy, released during an atomic explosion, was 2.93 × 10–10 m. Given that the Wien's constant is 2.93 × 10–3 m K, the maximum temperature attained must be of the order of
|
(a) 10–7 K |
(b) 107 K |
(c) 10–13 K |
(d) 5.86 × 107 K |
In the circuit element given here, if the potential at point B, VB = 0, then the potentials of A and D are given as
|
(a) |
(b) |
|
(c) |
(d) |

A sodium atom is in one of the states labeled 'Lowest excited levels'. It remains in that state for an average time of 10–8 sec, before it makes a transition back to a ground state. What is the uncertainty in energy of that excited state
|
(a) 6.56 × 10–8 eV |
(b) 2 × 10–8 eV |
(c) 10–8 eV |
(d) 8 × 10–8 eV |
From the graph between current I and voltage V shown below, identify the portion corresponding to negative resistance
|
(a) AB |
(b) BC |
(c) CD |
(d) DE |