MCQ
Calculate charge on capacitor in steady state. (in $\mu C$)
- A$50$
- B$30$
- ✓$45$
- D$60$
✓
Answer
Correct option: C.
$45$
c
The current in capacitor is given by,
The current in capacitor is given by,
$i=\frac{9}{27 \times 10^{3}}$
Now, the voltage is given by,
$V_{c}=15 \times 10^{3} \times \frac{9}{27 \times 10^{3}}$
The Charge is given by,
$q=9 \times 10^{-6} \times \frac{15}{3}$
$=45 \times 10^{-6} C$
$=45 \mu C$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
A wire of length $L$ is bent in the form of a circular coil and current $i$ is passed through it. If this coil is placed in a magnetic field then the torque acting on the coil will be maximum when the number of turns is
→ln a balanced wheat stone bridge, current in the galvanometer is zero. It remains zero when:
→$[1]$ battery emf is increased
$[2]$ all resistances are increased by $10\,ohms$
$[3]$ all resistances are made five times
$[4]$ the battery and the galvanometer are interchanged
An electric heater kept in vacuum is heated continuously by passing electric current. Its temperature
$AB$ and $CD$ are smooth parallel rails, separated by a distance $l$, and inclined to the horizontal at an angle $\theta$ . $A$ uniform magnetic field of magnitude $B$, directed vertically upwards, exists in the region. $EF$ is a conductor of mass $m$, carrying a current $i$, if $B$ is normal to the plane of the rails
→At a place, if the earth's horizontal and vertical components of magnetic fields are equal, then the angle of dip will be.......$^o$
→A slit of size $0.15 \ cm$ is placed at $2.1 m$ from a screen. On illuminated it by a light of wavelength $5 \times 10^{-5}\ cm.$ The width of central maxima will be
→In the figure the intensity of waves arriving at $D$ from two coherent sources $S_1$ and $S_2$ is $2I_0$. The wave length of the wave is $\lambda = 8\,m$. Resultant intensity at $D$ will be
→A light wave travelling linearly in a medium of dielectric constant $4,$ incident on the horizontal interface separating medium with air. The angle of incidence for which the total intensity of incident wave will be reflected back into the same medium will be (Given : relative permeability of medium $\mu_{ s }=1)$
→Pick out the longest wavelength from the following types of radiations
For a particle executing simple harmonic motion, the acceleration is proportional to: