WBJEE · Physics · Capacitance
A \(5 \mu F\) capacitor is connected in series with \(10 \mathrm{\mu F}\) capacitor. When a \(300 \mathrm{v}\) potentid dillerence is applied across this combination, the total energy stored in the capacitors is
- A \(18 \mathrm{J}\)
- B \(1.5 \mathrm{J}\)
- C \(0.15 \mathrm{J}\)
- D \(0.10 \mathrm{J}\)
Answer & Solution
Correct Answer
(C) \(0.15 \mathrm{J}\)
Step-by-step Solution
Detailed explanation
According to question the figure can be drawn as below The equivalent capacitance,…
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Physics
- Two black bodies at temperatures \(327^{\circ} \mathrm{C}\) and \(427^{\circ} \mathrm{C}\) are kept in an evacuated chamber at \(27^{\circ} \mathrm{C}\). The ratio of their rates of loss of heat are :WBJEE 2010 Medium
- The temperature of a blackbody radiation enclosed in a container of volume \(V\) is increased from \(100^{\circ} \mathrm{C}\) to \(1000^{\circ} \mathrm{C}\). The heat required in the process isWBJEE 2016 Easy
- In which of the following phenomena, the heat waves travel along straight lines with the speed of light?WBJEE 2014 Easy
- A conducting circular loop of resistance \(20 \Omega\) and cross-sectional area \(20 \times 10^{-2} \mathrm{~m}^{2}\) is placed perpendicular to a spatially uniform magnetic field B, which varies with time tas \(\mathrm{B}=2 \sin (50 \pi t)\) T. Find the net charge flowing through the loop in \(20 \mathrm{~ms}\) starting from \(\mathrm{t}=0\)WBJEE 2020 Medium
- In the electrical circuit shown in the figure, the current through the \(4 \Omega\) resistor is
WBJEE 2013 Medium - As shown in figure below, a charge \(+2 \mathrm{C}\) is situated at the origin \(O\) and another charge \(+5 \mathrm{C}\) is on the \(x\) -axis at the point \(A .\) The later charge from the point \(A\) is then brought to a point \(B\) on the \(y\) -axis. The work done is \(\left(\right.\) given \(\left.\frac{1}{4 \pi \varepsilon_{0}}=9 \times 10^{9} \mathrm{m} / \mathrm{F}\right)\)
WBJEE 2013 Easy
More PYQs from WBJEE
- Let \(\omega(\neq 1)\) be a cubic root of unity. Then the minimum value of the set \(\left\{\left|a+b \omega+c \omega^2\right|^2 ; a, b, c\right.\) are distinct non-zero integers} equalsWBJEE 2025 Hard
- If \(\frac{\mathrm{d}}{\mathrm{dx}}\{\mathrm{f}(\mathrm{x})\}=\mathrm{g}(\mathrm{x})\), then \(\int_a^b \mathrm{f}(\mathrm{x}) \mathrm{g}(\mathrm{x}) \mathrm{dx}\) is equal toWBJEE 2010 Medium
- If \(z_{1}=2+3 i\) and \(z_{2}=3+4 i\) be two points on the complex plane. Then, the set of complex number \(z\) satisfying \(\left|z-z_{1}\right|^{2}+\left|z-z_{2}\right|^{2}\)
\(=\left|z_{1}-z_{2}\right|^{2}\) representsWBJEE 2013 Medium - The direction ratios of the normal to the plane passing through the points (1,2,-3) ,(-1,-2,1) and parallel to \(\frac{x-2}{2}=\frac{y+1}{3}=\frac{z}{4}\) isWBJEE 2019 Medium
- A satellite of mass m rotates round the earth in a circular orbit of radius R. If the angular momentum of the satellite
is J, then its kinetic energy (K) and the total energy (E) of the satellite areWBJEE 2024 Easy - Let \(A=\left(\begin{array}{ccc}1 & 0 & 0 \\ 0 & \text { cost } & \text { sint } \\ 0 & -\sin t & \cos t\end{array}\right)\)
Let \(\lambda_{1}, \lambda_{2}, \lambda_{3}\) be the roots of \(\operatorname{det}\left(A-\lambda I_{3}\right)=0\), where \(I_{3}\) denotes the identity matrix. If \(\lambda_{1}+\lambda_{2}+\lambda_{3}=\sqrt{2}+1\), then the set of possible values of \(t,-\pi \leq t < \pi\) isWBJEE 2021 Hard