VIT Engineering VIT Engineering Solved Paper-2015

  • question_answer
    If p, q, r are simple propositions with truth values T, F, T, then the truth value of \[\left( \sim p\vee q \right)\wedge \sim r\Rightarrow p\] is

    A) true      

    B) false

    C)  true, if r is false               

    D) true, if q is true

    Correct Answer: A

    Solution :

    \[\Delta {{I}_{b}}=15\mu A=15\times {{10}^{-6}}A\] means \[{{R}_{L}}=5k\Omega =5\times {{10}^{3}}\Omega \] means F \[{{R}_{i}}=330\Omega \]       \[{{A}_{r}}=\frac{\Delta {{I}_{C}}\times {{R}_{L}}}{\Delta {{I}_{b}}\times {{R}_{i}}}\] \[=\frac{{{10}^{-3}}\times 5\times {{10}^{3}}}{15\times {{10}^{-6}}\times 330}\] p means T


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