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Current Electricity

MHT-CET Physics. Try each one first, then open its answer.

Top 10 MHT-CET PYQs to practise first

The questions and kinds of question asked most often come first. Each one says how often and in which papers.

  1. Question 1

    This type asked 12 times: 9 May 2023 S1, 10 May 2023 S2, 15 May 2023 S1, 9 May 2024 S1, 10 May 2024 S1, 13 May 2024 S2, 19 Apr 2025 S1, 25 Apr 2025 S1, 15 Apr 2026 S1, 17 Apr 2026 S2, 12 May 2026 S1, 12 May 2026 S2. This one: 12 May 2026 S2 See all 12 of this type

    129
    When current II is passed through galvanometer coil, it is deflected through 16∘16^\circ. But when it is shunted by a resistance of 8 Ω8\,\Omega, the same current produces a deflection of 4∘4^\circ. The resistance of the galvanometer is

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  2. Question 2

    This type asked 9 times: 2 May 2023 S2, 10 May 2023 S1, 11 May 2024 S1, 12 May 2024 S1, 14 May 2024 S2, 22 Apr 2025 S2, 18 Apr 2026 S2, 19 Apr 2026 S1, 19 May 2026 S2. This one: 19 May 2026 S2 See all 9 of this type

    129
    In a potentiometer circuit when two cells of emf 1.61.6 V and 1.31.3 V are connected to assist each other, the balancing length is 290290 cm. What will be the balancing length in cm when these two cells are connected in opposition?

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  3. Question 3

    This type asked 8 times: 16 May 2023 S1, 16 May 2023 S2, 25 Apr 2025 S2, 26 Apr 2025 S1, 15 Apr 2026 S1, 17 Apr 2026 S1, 18 Apr 2026 S1, 14 May 2026 S1. This one: 14 May 2026 S1 See all 8 of this type

    129
    When a resistance of 100 Ω100\,\Omega is connected in series with galvanometer of resistance RR, its range is VV. To double its range, another additional resistance of 1000 Ω1000\,\Omega is connected in series. Find the value of RR.

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  4. Question 4

    This type asked 7 times: 11 May 2023 S2, 26 Apr 2025 S1, 13 Apr 2026 S1, 13 Apr 2026 S2, 15 Apr 2026 S2, 16 Apr 2026 S1, 19 May 2026 S1. This one: 19 May 2026 S1 See all 7 of this type

    130
    The potential gradient along the length of 1 metre wire of uniform cross section is 66 V/m. Let 'BB' and 'CC' be the two points at 4040 cm and 6060 cm marks respectively from one end. The potential difference between points B and C is

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  5. Question 5

    This type asked 7 times: 3 May 2023 S1, 9 May 2024 S2, 10 May 2024 S2, 14 May 2024 S2, 19 Apr 2025 S1, 22 Apr 2025 S1, 16 Apr 2026 S2. This one: 16 Apr 2026 S2 See all 7 of this type

    129
    A galvanometer has resistance G and range Vg. How much resistance is required to read voltage up to V volt?

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  6. Question 6

    Asked 6 times: May 2022 S1*, 10 May 2024 S1*, 13 May 2024 S2, 19 Apr 2025 S1*, 20 Apr 2025 S2*, 17 Apr 2026 S2 (* = numbers or wording changed that year) See all 6 times it was asked

    130
    The current passing through the galvanometer is 4 % of the total current in the curcuit. If the resistance of the galvanometer is 'G', the shunt resistance 'S' connected across the galvanometer is

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  7. Question 7

    This type asked 5 times: 4 May 2023 S1, 12 May 2024 S2, 13 May 2024 S2, 18 Apr 2026 S1, 15 May 2026 S1. This one: 15 May 2026 S1 See all 5 of this type

    129
    Potentiometer wire of length 1m is connected in series with 490 Ω490\ \Omega resistance and 22 V battery. If 0.20.2 mV/cm is the potential gradient then the resistance of the potentiometer wire is

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  8. Question 8

    This type asked 5 times: 20 Apr 2025 S2, 21 Apr 2025 S1, 11 Apr 2026 S2, 13 May 2026 S1, 14 May 2026 S1. This one: 14 May 2026 S1 See all 5 of this type

    130
    A potentiometer wire has length LL. For a given cell of e.m.f. EE, the balancing length is L3\dfrac{L}{3} from the positive end of the wire. If the length of potentiometer wire is increased by 50%50\% then for the same cell the balance point is obtained at length (from positive end)

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  9. Question 9

    This type asked 5 times: 3 May 2023 S2, 4 May 2023 S2, 11 Apr 2026 S1, 19 Apr 2026 S2, 13 May 2026 S2. This one: 13 May 2026 S2 See all 5 of this type

    130
    An ammeter has resistance RR and range II. What resistance should be connected in parallel with it to increase its range by nInI?

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  10. Question 10

    This type asked 5 times: 4 May 2023 S1, 9 May 2023 S1, 11 Apr 2026 S1, 19 Apr 2026 S1, 13 May 2026 S1. This one: 13 May 2026 S1 See all 5 of this type

    129
    The resistances in two arms of the metre bridge are 5 Ω5\,\Omega and R ΩR\,\Omega respectively, null point is obtained at length l1l_1. When the resistance R is shunted with an equal resistance, the new balance point is at 1.6l11.6l_1. The resistance R is

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