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MHT CET 2026 (13 Apr, Shift 2) · Wheatstone Bridge & Metre Bridge

Wheatstone Bridge & Metre Bridge question from MHT CET 2026 (13 Apr, Shift 2)

Q4MHT CET 2026 · 13 APR · SHIFT 2Medium

Wheatstone Bridge & Metre Bridge

Resistances are joint as shown in the figure. In the balanced condition, the current II drawn from the battery is

Figure

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Answer: (c)

  1. Balanced bridge (10/10=30/3010/10 = 30/30): no current in G, remove it.
  2. Path ABC: 10+10=20 Ω10 + 10 = 20\ \Omega; path ADC: 30+30=60 Ω30 + 30 = 60\ \Omega
  3. Req=20×6080=15 ΩR_{eq} = \dfrac{20 \times 60}{80} = 15\ \Omega
  4. I=315=0.2I = \dfrac{3}{15} = 0.2 A
  5. So the answer is (c) 0.20.2 A.
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