CUET · PHYSICS · PYQ PAPER 2025
In the circuit diagram shown in the figure, the potential difference E is 20 V.
(A) The potential difference across points C and D is \(V_{CD}\).
(B) The potential difference across points B and C is \(V_{BC}\).
(C) The potential difference across points D and E is \(V_{DE}\).
(D) The potential difference across points A and B is \(V_{AB}\).
If the potentials \(V_{AB}, V_{BC}, V_{CD}, V_{DE}\) are arranged in increasing order, then choose the correct answer from the options given below:
- A (C), (A), (B), (D)
- B (A), (B), (D), (C)
- C (B), (A), (D), (C)
- D (D), (C), (B), (A)
Answer & Solution
Correct Answer
(A) (C), (A), (B), (D)
Step-by-step Solution
Detailed explanation
Resistance: \(R_T = 4 \Omega + 3 \Omega + 2 \Omega + 1 \Omega = 10 \Omega\) Current: \(I = 20 \text{ V} / 10 \Omega = 2 \text{ A}\) \(V_{AB} = 2 \text{ A} \times 4 \Omega = 8 \text{ V}\) \(V_{BC} = 2 \text{ A} \times 3 \Omega = 6 \text{ V}\)…
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