Q12.In the given circuit diagram, a wire is joining points B and D. The current in this wire is: (1) 0.4A (2) 2A (3) 4A (4) zero JEE Main 2020 (09 Jan Shift 1) JEE Main Previous Year Paper
What This Question Tests
This question requires analyzing a complex circuit using Kirchhoff's laws or recognizing a balanced Wheatstone bridge configuration to determine the current in a specific branch.
Concepts Tested
Formulas Used
ΣI = 0
ΣV = 0
Ohm's Law V = IR
📚 NCERT Sections This Tests
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?
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?
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 Laws
- Year
- 2020
- Shift
- 09 Jan Shift 1
- Q Number
- Q12
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 3: Current Electricity
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