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Day 235: MHT-CET Physics

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

  1. Question 1

    Semiconductor Devices. Asked once: 19 Apr 2025 S1 (same type asked 4 times) See all 4 of this type

    49
    In the case of constant ' α\alpha ' and ' β\beta ' of a transistor ( α\alpha and β\beta are current ratios)

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  2. Question 2

    Oscillations. Asked once: 21 Apr 2025 S2 (same type asked 4 times) See all 4 of this type

    39
    The length of the simple pendulum is made 3 times the original length. If ' TT ' is its original time period, then the new time period will be

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  3. Question 3

    Electrostatics. Asked once: May 2021 S1 (same type asked 4 times) See all 4 of this type

    21
    A charge of magnitude 3e3e and mass 2m2m is moving in an electric field EE. The acceleration imparted to the charge is

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  4. Question 4

    Magnetic Fields Due to Electric Current. Asked once: 19 Apr 2025 S1 (same type asked 4 times) See all 4 of this type

    36
    Two long straight wires AA and BB carrying equal current 'I' were kept parallel to each other at distance 'd' apart. Magnitude of magnetic force experienced by length LL of wire AA is ' FF '. If the distance between the wires is made half and currents are doubled, force F2F_{2} on length LL of wire AA will be

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  5. Question 5

    Thermal Properties of Matter. Asked once: 11 May 2023 S2 (same type asked 4 times) See all 4 of this type

    38
    A metal rod having coefficient of linear expansion 2×10−5/°C2\times10^{-5}/°C is 0.75 m long at 45°C45°C. When the temperature rises to 65°C65°C, the increase in length of the rod will be

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