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Day 234: MHT-CET Physics

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

  1. Question 1

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

    4
    A copper ring having a cut such as not to form a complete loop is held horizontally and a bar magnet is dropped through the ring with its length along the axis of the ring as shown in figure. The acceleration of the falling magnet is ( g=g = acceleration due to gravity)

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  2. Question 2

    Electromagnetic Induction. Asked once: 11 May 2024 S1 (same type asked 4 times) See all 4 of this type

    28
    The mutual inductance of a pair of coils, each of N turns, is M henry. If a current of I ampere in one of the coils is brought to zero in t second, the e.m.f. induced per turn in the other coil in volt is

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  3. Question 3

    Current Electricity. Asked once: 25 Apr 2025 S1 (same type asked 4 times) See all 4 of this type

    8
    The current (I) drawn from the battery in the given circuit is

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  4. Question 4

    Wave Optics. Asked once: 23 Apr 2025 S1 (same type asked 4 times) See all 4 of this type

    47
    Two polaroid are oriented with their planes perpendicular to incident light and transmission axis making an angle 30∘30^{\circ} with each other. What fraction of incident unpolarised light is transmitted?
    (cos⁡30∘=3/2)\left( \cos30^{\circ}=\sqrt{3}/2 \right)

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  5. Question 5

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

    5
    A spherical rubber balloon carries a charge, uniformly distributed over the surface. As the balloon is blown up and increases in size, the total electric flux coming out the surface

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