Relevant Competitive Tests:
A chimney works best if air exposed to the chimney is______________?
A. Stationary
B. Moving
C. Moving slowly
D. Moving fastCorrect Answer
Correct Option: D. Moving fast
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The waves which are used for line of sight (LOS) communication are called:A wire of uniform area of cross -section A length L and resistance R is cut into two parts. The resistivity of each part:A potential difference is applied across the ends of a wire. If the potential difference is doubled, then the drift velocity of free electron will.Relation between linear velocity and angular velocity:If the axis of rotation passes through the body and the body moves around itself then the motion is called: