PYQ Vault

Day 293: MHT-CET Physics

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

  1. Question 1

    Semiconductor Devices. Asked once: 14 May 2024 S1 (same type asked 4 times) See all 4 of this type

    35
    For a common emitter configuration, if 'α\alpha' and 'β\beta' have their usual meanings, the incorrect relation between 'α\alpha' and 'β\beta' is:

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  2. Question 2

    Oscillations. Asked once: 10 May 2023 S1 (same type asked 4 times) See all 4 of this type

    28
    Let 'l1l_1' be the length of simple pendulum. Its length changes to 'l2l_2' to increase the periodic time by 20%. The ratio l2l1=\frac{l_2}{l_1}=

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  3. Question 3

    Magnetic Fields Due to Electric Current. Asked once: 9 May 2024 S2 (same type asked 4 times) See all 4 of this type

    39
    10 A current is flowing in two straight parallel wires in the same direction. Force of attraction between them is 1×10−31 \times 10^{-3} N. If the current is doubled in both the wires the force will be

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  4. Question 4

    AC Circuits. Asked once: 11 May 2024 S2 (same type asked 3 times) See all 3 of this type

    24
    The a.c. source of e.m.f. with instantaneous value 'e' is given by e=200sin⁡(50t)e = 200\sin(50t) volt. The r.m.s value of current in a circuit of resistance 50 Ω50\,\Omega is

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  5. Question 5

    Motion in a Plane. Asked once: 19 Apr 2026 S2 (same type asked 3 times) See all 3 of this type

    102
    A particle is performing U.C.M. along a circle of radius RR. In half the period of revolution, its displacement and distance covered are respectively

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