PYQ Vault

Day 279: MHT-CET Physics

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

  1. Question 1

    Electromagnetic Induction. Asked once: 2 May 2023 S1 (same type asked 6 times) See all 6 of this type

    17
    A bicycle wheel of radius RR has nn spokes. It is rotating at the rate of FF r.p.m. perpendicular to the horizontal component of earth's magnetic field BB. The e.m.f. induced between the rim and the centre of the wheel is

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  2. Question 2

    Electrostatics. Asked once: 19 Apr 2026 S2 (same type asked 6 times) See all 6 of this type

    126
    Two equal positive charges each of value 'q' are placed at points A and B, where AB=3xAB = 3x. A third charge −3q-3q is placed at point C at a distance xx from A on AB. The potential energy of the system is nearly (ϵ0\epsilon_0 = permittivity of free space)

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  3. Question 3

    Magnetic Fields Due to Electric Current. Asked once: 3 May 2023 S1 (same type asked 6 times) See all 6 of this type

    40
    A current of 5 A flows through a toroid having a core of mean radius 20 cm. If 4000 turns are wound on the core, then the magnetic field inside the core is [μ0=4π×10−7 SI\mu_0=4\pi\times10^{-7}\ \text{SI}]

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  4. Question 4

    Superposition of Waves. Asked once: 9 May 2023 S2 (same type asked 6 times) See all 6 of this type

    50
    The equations of two waves are given as y1=asin⁡(ωt+ϕ1)y_1 = a\sin(\omega t + \phi_1), y2=asin⁡(ωt+ϕ2)y_2 = a\sin(\omega t + \phi_2). If amplitude and time period of resultant wave is same as the individual waves, then ϕ1−ϕ2\phi_1 - \phi_2 is

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  5. Question 5

    AC Circuits. Asked once: 15 May 2023 S1 (same type asked 6 times) See all 6 of this type

    38
    A series L-C-R circuit containing a resistance RR has angular frequency ω\omega. At resonance the voltage across resistance and inductor are VRV_{R} and VLV_{L} respectively, then value of capacitance will be

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