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Physics Test 76...

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  • Question 1
    4 / -1

    The capacitance of the capacitors of plate area A1 and A2 (A1 < A2) at a distance 'd' is :

  • Question 2
    4 / -1

    The charge on 1µF capacitor and the total charge flown through battery is respectively :

  • Question 3
    4 / -1

    Two identical capacitors 1 and 2 are connected in series to a battery as shown in figure. Capacitor 2 contains dielectric of constant K. Q1 and Q2 are charges stored on both capacitors. Now the dielectric slab is removed and the corresponding charges are Q1' and Q2'. Then :

  • Question 4
    4 / -1

    A capacitor stores 60µC charge when connected across a battery. When the gap between the plates is filled with a dielectric, a charge of 120µC flows through the battery. The dielectric constant of the material inserted is :

  • Question 5
    4 / -1

    Which of the following statements is correct for the given circuit:

  • Question 6
    4 / -1

    Block is attached at one end of string and other end is pulling with constant speed then :

  • Question 7
    4 / -1

    A system consists of three masses m1, m2 and m3 connected by a string passing over a pulley P. The mass m1 hangs freely m2 and m3 are on a rough horizontal table (the coefficient of friction = µ). The pulley is frictionless and is of negligible mass. The downward acceleration of mass m1 is :

     

  • Question 8
    4 / -1

    All surfaces are smooth then aA and aB :

  • Question 9
    4 / -1

    Two blocks are in contact on a frictionless table. One has mass 'm' and the other '2m'. Same force F is applied from left and right on m and 2m. In the two cases respectively, the ratio of contact force between the blocks in the two cases will be

  • Question 10
    4 / -1

    Every surface is smooth, system is released from rest then :

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