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Physics Test 87...

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  • Question 1
    4 / -1

    A uniform rod of negligible mass is hanging in a horizontal position with the help of two threads. It also supports of 40 kg mass as shown in the figure. Find tension developed in each thread.

  • Question 2
    4 / -1

    Which of the following statement is incorrect about moment of inertia :

  • Question 3
    4 / -1

    A solid sphere and solid cylinder of same radius are rolling purely on an inclined plane. Then the ratio of their acceleration is :

  • Question 4
    4 / -1

    If the moment of inertia of a disc about an axis tangential and parallel to its surface be 3I, then what will be the moment of inertia about an axis tangential but perpendicular to the surface?

  • Question 5
    4 / -1

    A hollow sphere is performing pure rolling then find acceleration of its centre of mass:

  • Question 6
    4 / -1

    If the output of an AC generator is E = 170 sin 377 t; then frequency will be

  • Question 7
    4 / -1

    The frequency of an alternating current is 50 Hz, then the time difference corresponding to phase angle of 50°, is

  • Question 8
    4 / -1

    AC can't be measured by DC ammeter because

  • Question 9
    4 / -1

    The voltage of AC source varies with time according to the equation V = 240 sin 100 πt cos 100 πt, where t is in sec

  • Question 10
    4 / -1

    If the rms value of AC is irms then its peak value is

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