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Physics Test 33...

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  • Question 1
    4 / -1

    The stable nucleus which has a radius half of Zn64 is -

  • Question 2
    4 / -1

    For nuclear reaction :    

    92U235 + 0n1 → 56Ba144 + ..........+3 0n1

  • Question 3
    4 / -1

    The width of depletion region in PN–junction diode is 500 nm and an internal electric field is 6 × 105 V/m. What is the kinetic energy which a conduction electron must have in order to diffuse from the N side to P side :-

  • Question 4
    4 / -1

    When a resistance of 2 ohm is connected across the terminals of a cell, the current is 0.5 A. When the resistance is increased to 5 ohm, the current is 0.25 A. The e.m.f. of the cell is

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