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List of top Physics Questions on Thermodynamics asked in VITEEE

If \( \mathbf{A} = 4\hat{i} + 3\hat{j} \) and \( \mathbf{B} = 3\hat{i} + 4\hat{j} \), then the cosine of the angle between \( \vec{A} \) and \( \vec{A} + \vec{B} \) is:
The output \( Y \) of the following logic circuit for given inputs is: 
logic circuit
A current of 10 A exists in a wire of cross-sectional area of \( 5 \times 10^{-6} \, \text{m}^2 \) with a drift velocity of \( 2 \times 10^{-3} \, \text{m/s} \). The number of free electrons in each cubic meter of the wire is: