The capacitor of capacitance 4 μF and 6 μF are connected in series. A potential difference of 500 volts is applied to the outer plates of the two capacitor system. The potential difference across the plates of capacitor of 4 μF capacitance is
|
(a) 500 volts |
(b) 300 volts |
(c) 200 volts |
(d) 250 volts |
(b) 300 volts
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$\overrightarrow{\text{F}}\times\overrightarrow{\text{a}}$
$\overrightarrow{\text{v}}\times\overrightarrow{\text{r}}$
$\overrightarrow{\text{a}}\times\overrightarrow{\text{r}}$
$\overrightarrow{\text{F}}\times\overrightarrow{\text{r}}$
Two protons A and B are placed in space between plates of a parallel plate capacitor charged upto V volts (See fig.) Forces on protons are 
and 
, then
|
(a) |
(b) |
(c) |
(d) Nothing can be said |
The number of electrons in 1.6 C charge will be
|
(a) |
(b) |
(c) 1.1 |
(d) 1.1 |
A planet of mass m moves in an ellipse around the sun of mass 
so that its maximum and minimum distances are 
and 
respectively. The angular momentum of the planet relative to the centre of the sun is
|
(a) |
(b) |
(c) |
(d) |
