Q18.In the given circuit diagram, the currents, I1 = −0.3 A, I4 = 0.8 A and I5 = 0.4 A, are flowing as shown. The currents I2, I3 and I6, respectively, are: (1) 0.4A, 1.1A, 0.4A (2) 1.1A, −0.4A, 0.4A (3) 1.1A, 0.4A, 0.4A (4) −0. 4A, 0. 4A, 1. 1A
What This Question Tests
This problem is a direct application of Kirchhoff's Current Law, which states that the sum of currents entering a junction must equal the sum of currents leaving it, due to charge conservation.
Concepts Tested
Formulas Used
ΣI_in = ΣI_out (at a junction)
📚 NCERT Sections This Tests
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?
3.1 — The Storage Battery Of A Car Has An Emf Of 12 V. If The Internal
Physics Class 11 · Chapter 3
3.1 The storage battery of a car has an emf of 12 V. If the internal resistance of the battery is 0.4 Ω, what is the maximum current that can be drawn from the battery?
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
📋 Question Details
- Chapter
- Current Electricity
- Topic
- Kirchhoff's Current Law
- Year
- 2019
- Shift
- 12 Jan Shift 2
- Q Number
- Q18
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 3: Current Electricity
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