PYQ Vault

Day 229: MHT-CET Physics

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

  1. Question 1

    AC Circuits. Asked once: 25 Apr 2025 S2 (same type asked 4 times) See all 4 of this type

    47
    An a.c. source of frequency ' ff ' is connected to a circuit containing an inductance 'L' and resistance ' RR ' in series. The impedance of this circuit is

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  2. Question 2

    Current Electricity. Asked once: 15 May 2023 S1 (same type asked 4 times) See all 4 of this type

    48
    A cell balances against a length of 150 cm on a potentiometer wire when it is shunted by a resistance of 5 Ω5\,\Omega. But when it is shunted by a resistance of 10 Ω10\,\Omega, then balancing length increases by 25 cm. The balancing length when the cell is in an open circuit is

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  3. Question 3

    Semiconductor Devices. Asked once: 9 May 2023 S1 (same type asked 4 times) See all 4 of this type

    48
    For the diagram shown, the resistance between points A and B when the ideal diode D is forward biased is R1R_1 and that when reverse biased is R2R_2. The ratio R1R2\frac{R_1}{R_2} is

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  4. Question 4

    Semiconductor Devices. Asked once: 16 May 2023 S1 (same type asked 4 times) See all 4 of this type

    35
    The truth table of the following circuit is

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  5. Question 5

    Electrostatics. Asked once: 2 May 2023 S2 (same type asked 4 times) See all 4 of this type

    45
    Four point charges each +q+q are placed on the circumference of a circle of diameter 2d2d in such a way that they form a square. The potential at the centre is proportional to

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