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Day 215: MHT-CET Physics

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

  1. Question 1

    Gravitation. Asked once: 16 Apr 2026 S2 (same type asked 5 times) See all 5 of this type

    108
    A body of mass m is taken from earth surface to a height h equal to twice the radius of earth, the increase in potential energy will be (gg = acceleration due to gravity on earth's surface) (R - radius of earth)

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  2. Question 2

    Magnetic Fields Due to Electric Current. Asked once: 13 Apr 2026 S2 (same type asked 5 times) See all 5 of this type

    133
    Two long straight wires are arranged parallel to each other and are kept 2020 cm apart in vacuum. They carry currents of 22 A and 44 A respectively in the same direction. What will be the magnetic force on a length of 1010 cm of either wire? (μ0=4π×10−7(\mu_0 = 4\pi \times 10^{-7} SI units))

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  3. Question 3

    Electrostatics. Asked once: 13 Apr 2026 S1 (same type asked 5 times) See all 5 of this type

    127
    Two identical parallel plate air capacitors are connected in series to a battery of e.m.f. 'V'. If one of the capacitor is inserted in liquid of dielectric constant 'K' then potential difference of the other capacitor will become

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  4. Question 4

    Semiconductor Devices. Asked once: 15 May 2026 S2 (same type asked 5 times) See all 5 of this type

    150
    The Zener diode has reverse breakdown voltage VZV_Z. The current through the load resistance RLR_L is ILI_L. The current through Zener diode is (V0V_0 = Input voltage , RSR_S = Series resistance)

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  5. Question 5

    Magnetic Fields Due to Electric Current. Asked once: 16 May 2023 S1 (same type asked 5 times) See all 5 of this type

    8
    The magnetic induction along the axis of a toroidal solenoid is independent of

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