Q50.At steady state the charge on the capacitor, as shown in the circuit below, is μC.
What This Question Tests
This question asks for the charge on a capacitor in a DC circuit at steady state. It tests the knowledge that a capacitor acts as an open circuit at steady state, and requires applying Kirchhoff's laws to find the potential difference across the capacitor.
Concepts Tested
Formulas Used
Q = CV
V = IR
📚 NCERT Sections This Tests
8.1 — Figure 8.5 Shows A Capacitor Made Of Two Circular Plates Each Of
Physics Class 11 · Chapter 8
8.1 Figure 8.5 shows a capacitor made of two circular plates each of radius 12 cm, and separated by 5.0 cm. The capacitor is being charged by an external source (not shown in the figure). The charging current is constant and equal to 0.15A. (a) Calculate the capacitance and the rate of change of potential difference between the plates. (b) Obtain the displacement current across the plates. (c) Is Kirchhoff’s first rule (junction rule) valid at each plate of the capacitor? Explain. FIGURE 8.5
3.2 — A Battery Of Emf 10 V And Internal Resistance 3 Ω Is Connected To A
Physics Class 11 · Chapter 3
3.2 A battery of emf 10 V and internal resistance 3 Ω is connected to a resistor. If the current in the circuit is 0.5 A, what is the resistance of the resistor? What is the terminal voltage of the battery when the circuit is closed?
2.7 — Three Capacitors Of Capacitances 2 Pf, 3 Pf And 4 Pf Are Connected
Physics Class 11 · Chapter 2
2.7 Three capacitors of capacitances 2 pF, 3 pF and 4 pF are connected in parallel. (a) What is the total capacitance of the combination? (b) Determine the charge on each capacitor if the combination is connected to a 100 V supply.
📋 Question Details
- Chapter
- Current Electricity
- Topic
- RC Circuits (Steady State)
- Year
- 2025
- Shift
- 23 Jan Shift 2
- Q Number
- Q50
- Type
- Numerical
- NCERT Ref
- Class 12 Physics Ch 2: Electrostatic Potential and Capacitance
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