JEE Mains · Physics · STD 12 - 3. current electricity
A capacitor of \(50 \,\mu {F}\) is connected in a circuit as shown in figure. The charge on the upper plate of the capacitor is \(......\,\mu {C} .\)
- A \(1\)
- B \(10\)
- C \(100\)
- D \(1000\)
Answer & Solution
Correct Answer
(C) \(100\)
Step-by-step Solution
Detailed explanation
Pot. Diff. across each resistor \(=2\, {V}\) \({q}={CV}\) \(=50 \times 10^{-6} \times 2=100 \times 10^{-6}=100\, \mu {C}\)
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
- A series \(LCR\) circuit is connected to an \(AC\) source of \(220\,V , 50\,Hz\). The circuit contains a resistance \(R =80\,\Omega\), an inductor of inductive reactance \(X _{ L }=70\,\Omega\), and a capacitor of capacitive reactance \(X _{ C }=130\,\Omega\). The power factor of circuit is \(\frac{ X }{10}\). The value of \(x\) is:JEE Mains 2023 Medium
- The current required to be passed through a solenoid of \(15\,cm\) length and 60 turns in order to demagnetise a bar magnet of magnetic intensity \(2.4 \times 10^3\,Am ^{-1}\) is \(.........A\).JEE Mains 2023 Medium
- A monochromatic light of frequency \(5 \times 10^{14} \mathrm{~Hz}\) travelling through air, is incident on a medium of refractive index ' 2 '. Wavelength of the refracted light will be :JEE Mains 2025 Easy
- A \(100\,m\) long wire having cross-sectional area \(6.25 \times 10^{-4}\,m ^2\) and Young's modulus is \(10^{10}\,Nm ^{-2}\) is subjected to a load of \(250\,N\), then the elongation in the wire will be :JEE Mains 2023 Easy
- The root mean square speed of molecules of a given mass of a gas at \(27^{\circ} C\) and \(1\) atmosphere pressure is \(200\, ms ^{-1}\). The root mean square speed of molecules of the gas at \(127^{\circ} C\) and \(2\) atmosphere pressure is \(\frac{ x }{\sqrt{3}}\, ms ^{-1} .\) The value of \(x\) will be ......\(ms ^{-1} .\)JEE Mains 2021 Hard
- If the maximum load carried by an elevator is \(1400\,kg\) (\(600\,kg\) - Passenger \(+800\,kg\) - elevator), which is moving up with a uniform speed of \(3\,ms ^{-1}\) and the frictional force acting on it is \(2000\,N\), then the maximum 10.Power used by the motor is \(...........\,kW \left( g =10\,m / s ^2\right)\).JEE Mains 2023 Medium
More PYQs from JEE Mains
- The domain of the function \(\operatorname{cosec}^{-1}\left(\frac{1+\mathrm{x}}{\mathrm{x}}\right)\) is :JEE Mains 2021 Medium
- A monoatomic gas at pressure \(P\) and volume \(V\) is suddenly compressed to one eighth of its original volume. The final pressure at constant entropy will be \(.....P\)JEE Mains 2022 Hard
- A uniform metallic wire has a resistance of \(18\,\Omega \) and is bent into an equilateral triangle. Then, the resistance between any two vertices of the triangle is .................. \(\Omega\)JEE Mains 2019 Medium
- If the coefficients of \(x^4, x^5\) and \(x^6\) in the expansion of \((1+x)^n\) are in the arithmetic progression, then the maximum value of \(n\) is :JEE Mains 2024 Hard
- A block of mass \(m =1\, kg\) slides with velocity \(v=6\, m / s\) on a frictionless horizontal surface and collides with a uniform vertical rod and sticks to it as shown. The rod is pivoted about \(O\) and swings as a result of the collision making angle \(\theta\) before momentarily coming to rest. If the rod has mass \(M =2 \,kg \) and length \(l=1\, m\) the value of \(\theta\) is approximately (Take \(\left.g=10 \,m / s ^{2}\right)\)
JEE Mains 2020 Hard - Let \(f(x)=x-1\) and \(g(x)=e^x\) for \(x \in \mathbb{R}\). If \(\frac{d y}{d x}=\left(e^{-2 \sqrt{x}} g(f(f(x)))-\frac{y}{\sqrt{x}}\right), y(0)=0\), then \(y(1)\) is :-JEE Mains 2025 Medium