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Day 261: MHT-CET Physics

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

  1. Question 1

    Current Electricity. Asked once: 11 May 2024 S2 (same type asked 2 times) See all 2 of this type

    41
    Two batteries, one of e.m.f. 12 V and internal resistance 2 Ω2\,\Omega and other of e.m.f 6 V and internal resistance 1 Ω1\,\Omega, are connected as shown in the figure. What will be the reading of the voltmeter 'V'?

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  2. Question 2

    Sound. Asked once: 11 May 2023 S1 (same type asked 2 times) See all 2 of this type

    37
    With what velocity an observer should move relative to a stationary source so that a sound of triple the frequency of source is heard by an observer?

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  3. Question 3

    Sound. Asked once: 19 Apr 2025 S1 (same type asked 2 times) See all 2 of this type

    15
    When source of sound moves towards a stationary observer, the apparent frequency heard by him

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  4. Question 4

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

    1
    Two surfaces A and B are enclosing the charges as shown below. The total normal electric induction (T.N.E.I) through the surfaces A and B are respectively.

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  5. Question 5

    Magnetic Fields Due to Electric Current. Asked once: 10 May 2024 S2 (same type asked 2 times) See all 2 of this type

    37
    The magnetic field at the centre of a circular coil of radius 'RR' carrying current 2 A is 'B1B_1'. The magnetic field at the centre of another coil of radius '3R3R' carrying current 4 A4\,A is 'B2B_2'. The ratio B1:B2B_1:B_2 is

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