List of top Physics Questions on Capacitors in Parallel and in Series asked in NEET (UG)

Three identical capacitors \(P\), \(Q\) and \(S\), each of capacitance \(C\), are connected to a battery of voltage \(V\), as shown in the figure. If the potential energy stored in the capacitor \(P\) and total energy stored in the system are \(U_P\) and \(U_T\), respectively, then the ratio \[ \frac{U_P}{U_T} \] is:

तीन समान संधारित्र \(P\), \(Q\) और \(S\), जिनमें से प्रत्येक की धारिता \(C\) है, एक विभवांतर \(V\) के एक स्रोत से जोड़े गए हैं, जैसा कि चित्र में दर्शाया गया है। यदि परिपथ में संग्रहीत कुल ऊर्जा और संधारित्र में संग्रहीत कुल ऊर्जा क्रमशः \(U_P\) और \(U_T\) है, तो अनुपात \(\dfrac{U_P}{U_T}\) है :

Five capacitors of capacitances C₁ = C₂ = C₃ = C₄ = 10 $\mu$F and C₅ = 2.5 $\mu$F are connected as shown, along with a battery of 50 V. The equivalent capacitance and the charges on each capacitor respectively are: ____.

If the plates of a parallel plate capacitor connected to a battery are moved close to each other, then
A. the charge stored in it, increases.
B. the energy stored in it, decreases.
C. its capacitance increases.
D. the ratio of charge to its potential remains the same.
E. the product of charge and voltage increases.
Choose the most appropriate answer from the options given below :

A parallel plate capacitor of capacitance \(20 μF\) is being charged by a voltage source whose potential is changing at the rate of \(3 V/s.\) The conduction current through the connecting wires, and the displacement current through the plates of the capacitor, would be, respectively: