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Day 36: MHT-CET Physics

5 questions. Try each one first, then open its answer.

  1. Question 1

    Electrostatics. This type asked 5 times: 11 May 2023 S1, 16 May 2023 S1, 19 Apr 2025 S2, 13 Apr 2026 S1, 19 May 2026 S1. This one: 19 May 2026 S1 See all 5 of this type

    127
    Two parallel plate air capacitors of same capacity 'CC' are connected in series to a battery of emf 'EE'. Then one of the capacitors is completely filled with dielectric material of constant 'KK'. The change in the effective capacity of the series combination is

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  2. Question 2

    Semiconductor Devices. This type asked 5 times: 2 May 2023 S2, 4 May 2023 S1, 4 May 2023 S2, 15 May 2026 S2, 19 May 2026 S1. This one: 19 May 2026 S1 See all 5 of this type

    148
    In the following circuit, the current through the Zener diode is

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  3. Question 3

    Superposition of Waves. This type asked 5 times: May 2022 S1, 4 May 2023 S2, 19 Apr 2026 S2, 14 May 2026 S2, 19 May 2026 S1. This one: 19 May 2026 S1 See all 5 of this type

    123
    For a stationary wave, y=10cos⁡(πx/15)sin⁡(48πt)y = 10\cos(\pi x/15)\sin(48\pi t) cm, the distance between a node and the successive antinode is

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  4. Question 4

    Magnetic Fields Due to Electric Current. This type asked 5 times: 9 May 2023 S1, 16 May 2023 S1, 19 Apr 2026 S2, 13 May 2026 S2, 15 May 2026 S2. This one: 15 May 2026 S2 See all 5 of this type

    131
    The magnitude of the magnetic field inside a long solenoid is increased by

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  5. Question 5

    Magnetic Fields Due to Electric Current. This type asked 5 times: 22 Apr 2025 S2, 26 Apr 2025 S2, 17 Apr 2026 S2, 20 Apr 2026 S2, 15 May 2026 S2. This one: 15 May 2026 S2 See all 5 of this type

    132
    A uniform conducting wire of length ′12a′'12a' and resistance RR is wound up as a current carrying coil in the shape of an equilateral triangle of side ′a′'a' and then a square of side ′a′'a'. The ratio of magnetic dipole moments of triangular to square coil is

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