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Day 294: MHT-CET Physics

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

  1. Question 1

    Motion in a Plane. Asked once: 25 Apr 2025 S1 (same type asked 3 times) See all 3 of this type

    10
    Vector A→\overrightarrow{A} of magnitude 535\sqrt{3} units, another vector B→\overrightarrow{B} of magnitude of 10 units are inclined to each other at an angle of 30∘30^{\circ}. The magnitude of vector product of the two vectors is [sin⁡30∘=12]\left\lbrack \sin30^{\circ}=\frac{1}{2} \right\rbrack

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  2. Question 2

    Semiconductor Devices. Asked once: 10 May 2023 S2 (same type asked 3 times) See all 3 of this type

    2
    In the given circuit, Zener breakdown voltage is 8 V. If power of Zener diode is 1.6 W. The value of R is

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  3. Question 3

    Rotational Dynamics. Asked once: 22 Apr 2025 S2 (same type asked 3 times) See all 3 of this type

    2
    A car is driven on the banked road of radius of curvature 20 m with maximum safe speed. In order to increase its safety speed by 20%20\%, without changing the angle of banking, the increase in the radius of curvature will be [Assume friction is same on the road]

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  4. Question 4

    Current Electricity. Asked once: 12 May 2024 S2 (same type asked 3 times) See all 3 of this type

    30
    Two resistances XX and YY are connected in the two gaps of meter bridge and the null point is obtained at 20 cm from zero end. When the resistance of 20 Ω20\,\Omega is connected in series with the smaller of the two resistances XX and YY, the null point shifts to 40 cm from left end. The value of smaller resistance in ohm is

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  5. Question 5

    Electrostatics. Asked once: May 2022 S1 (same type asked 3 times) See all 3 of this type

    25
    The force between the plates of a parallel plate capacitor of capacitance CC and distance of separation of the plates dd with a potential difference VV between the plates is

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