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Capacitor Circuits and Energy for NEET: 18 solved questions

Real NEET paper questions on capacitor circuits and energy, part of electric potential and capacitance. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 1995 to 2019. No sign-in needed to read them.

What this topic asks

• Redistribution of charge — 7 questions
• Energy stored and energy density — 5 questions
• Battery connected or removed — 2 questions
• Series and parallel combinations — 2 questions
• Capacitor networks — 2 questions

All 18 questions with solutions

• Two metal spheres, one of radius R and the other of radius 2R respectively have the same surface charge densi… Odisha NEET 2019
• Two metallic spheres of radii 1 cm and 3 cm are given charges of -1×10⁻² C and 5×10⁻² C, respectively. If the… CBSE AIPMT 2012 Mains
• Two metallic spheres of radii 1 cm and 2 cm are given charges 10⁻² C and 5×10⁻² C respectively. If they are c… CBSE AIPMT 1995
• A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charg… CBSE AIPMT 2006
• Three capacitors each of capacitance C and of breakdown voltage V are joined in series. The capacitance and b… CBSE AIPMT 2009
• A network of four capacitors of capacity equal to C₁=C, C₂=2C, C₃=3C and C₄=4C are connected to a battery as… CBSE AIPMT 2005
• Three capacitors each of capacity 4 μF are to be connected in such a way that the effective capacitance is 6… CBSE AIPMT 2003
• A capacitor of capacity C₁ is charged up to V volt and then connected in parallel to an uncharged capacitor o… CBSE AIPMT 2002
• What is the effective capacitance between points X and Y? CBSE AIPMT 1999
• Two identical capacitors C₁ and C₂ of equal capacitance are connected as shown in the circuit. Terminals a an… Odisha NEET 2019
• A capacitor is charged by a battery. The battery is removed and another identical uncharged capacitor is conn… NEET 2017
• A parallel plate air capacitor of capacitance C is connected to a cell of emf V and then disconnected from it… CBSE AIPMT 2015 (cancelled)
• A parallel plate capacitor has a uniform electric field E in the space between the plates. If the distance be… CBSE AIPMT 2012 Mains; CBSE AIPMT 2011 Mains; CBSE AIPMT 2008 Mains
• A series combination of n₁ capacitors, each of value C₁, is charged by a source of potential difference 4V. W… CBSE AIPMT 2010
• Two condensers, one of capacity C and other of capacity C/2 are connected to a V-volt battery, as shown in th… CBSE AIPMT 2007
• Energy per unit volume for a capacitor having area A and separation d kept at potential difference V is given… CBSE AIPMT 2001
• A capacitor is charged with a battery and energy stored is U. After disconnecting battery another capacitor o… CBSE AIPMT 2000
• The energy stored in a capacitor of capacity C and potential V is given by CBSE AIPMT 1996