Скачать или смотреть An experiment was set up with the circuit diagram shown in figure.Given that R₁ = 10 Ω...

In this video, we solve an important Class 12 Physics Previous Year Question (PYQ) from Chapter 3 – Current Electricity. This question is very useful for CBSE Board Exams 2026 as well as for conceptual clarity in electric circuits.
You will learn how to:
Identify points at the same potential
Calculate current through a given branch
Find power dissipated in a resistor
Determine potential difference across a resistor
The solution is explained step by step, using proper circuit analysis, so that even average students can understand and apply the method in exams.

Question [CBSE Term-1 2021–22]
An experiment was set up with the circuit diagram shown in figure.
Given that R₁ = 10 Ω, R₂ = R₃ = 5 Ω, r = 0 Ω and E = 5 V.
(i) The points with the same potential are –
(a) b, c, d
(b) f, h, j
(c) d, e, f
(d) a, b, j
(ii) The current through branch bg is
(a) 1 A
(b) 1/3 A
(c) 1/2 A
(d) 2/3 A
(iii) The power dissipated in R₁ is
(a) 2 W
(b) 2.5 W
(c) 3 W
(d) 4.5 W
(iv) The potential difference across R₃ is
(a) 1.5 V
(b) 2 V
(c) 2.5 V
(d) 3 V

Why you should watch this video
✔️ Frequently asked CBSE PYQ
✔️ Builds strong circuit concepts
✔️ Helpful for numericals & MCQs
✔️ Perfect for last-minute revision

Playlist Section
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