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Day 14: MHT-CET Physics

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

  1. Question 1

    Magnetic Fields Due to Electric Current. This type asked 7 times: 13 May 2024 S2, 25 Apr 2025 S2, 16 Apr 2026 S2, 19 Apr 2026 S1, 19 Apr 2026 S2, 14 May 2026 S1, 19 May 2026 S2. This one: 19 May 2026 S2 See all 7 of this type

    132
    Consider a circular loop (radius RR) carrying current II, the magnetic field produced by it at a point on the axis at a distance zz from the centre of the loop is xR2(z2+R2)3/2\dfrac{xR^2}{(z^2 + R^2)^{3/2}}. The value of xx is

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  2. Question 2

    Semiconductor Devices. This type asked 7 times: 3 May 2023 S2, 9 May 2023 S1, 10 May 2023 S1, 19 Apr 2025 S2, 15 Apr 2026 S2, 14 May 2026 S2, 19 May 2026 S2. This one: 19 May 2026 S2 See all 7 of this type

    150
    For the logic circuit given below, for a) input A=0A = 0 and input B=1B = 1, and b) input A=1A = 1 and input B=1B = 1, the output EE is respectively

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  3. Question 3

    Units and Measurement. This type asked 7 times: 20 Apr 2025 S2, 25 Apr 2025 S1, 26 Apr 2025 S1, 15 Apr 2026 S2, 16 Apr 2026 S1, 16 Apr 2026 S2, 19 May 2026 S2. This one: 19 May 2026 S2 See all 7 of this type

    102
    A wire has mass (0.4±0.002)(0.4 \pm 0.002) g, radius (0.6±0.006)(0.6 \pm 0.006) mm and length (8±0.04)(8 \pm 0.04) cm. The percentage error in the measurement of its density is

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  4. Question 4

    Current Electricity. 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

    Dual Nature of Radiation and Matter. This type asked 7 times: 16 May 2023 S1, 9 May 2024 S1, 14 May 2024 S1, 22 Apr 2025 S2, 18 Apr 2026 S2, 19 Apr 2026 S2, 19 May 2026 S1. This one: 19 May 2026 S1 See all 7 of this type

    146
    The de Broglie wavelength of an electron moving in the nthn^{th} Bohr orbit of radius 'rr' is

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