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Day 212: JEE Mains Physics

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

  1. Question 1

    Moving Charges and Magnetism. Asked once: 30 Jan 2024 (same type asked 3 times) See all 3 of this type

    9
    Two insulated circular loop AA and BB radius ' aa ' carrying a current of ' II ' in the anti clockwise direction as shown in figure. The magnitude of the magnetic induction at the centre will be:

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  2. Question 2

    Alternating Current. Asked once: 8 Apr 2023 (same type asked 3 times) See all 3 of this type

    27
    An oscillating LC circuit consists of a 75mH75mH inductor and a 1.2μF1.2\mu F capacitor. If the maximum charge to the capacitor is 2.7μC2.7\mu C. The maximum current in the circuit will be ___mA.

  3. Question 3

    Moving Charges and Magnetism. Asked once: 27 Jun 2022 (same type asked 3 times) See all 3 of this type

    6
    A 72Ω72\Omega galvanometer is shunted by a resistance of 8Ω8\Omega. The percentage of the total current which passes through the galvanometer is:

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  4. Question 4

    System of Particles and Rotational Motion. Asked once: 2021 Paper 25 (same type asked 3 times) See all 3 of this type

    5
    Four identical solid spheres each of mass ' mm ' and radius ' aa ' are placed with their centres on the four corners of a square of side ' bb '. The moment of inertia of the system about one side of square where the axis of rotation is parallel to the plane of the square is:

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  5. Question 5

    Motion in a Straight Line. Asked once: 13 Apr 2023 (same type asked 3 times) See all 3 of this type

    100
    The distance travelled by an object in time tt is given by s=2.5 t2s = 2.5\,t^{2}. The instantaneous speed of the object at t=5 st = 5\text{ }s will be:

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