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A student has two resistors- 2 Ω and 3 Ω. She has to put one of them in place of R2 as shown in the circuit. The current that she ...
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A convex mirror of focal length f forms an image (frac{1}{n^{th}})of the size of the object. The distance of the object from the mirror is A. (frac{n+1}{n}f) B. (n + 1)f C. (n-1)f D. (frac{n-1}{n}f)
In a town of 840 persons, 450 persons read Hindi, 300 read English and 200 read both. Then the number of persons who read neither is A. 210 B. 290 C. 180 D. 260
Lipids are arranged within the membrane withA. polar heads towards inner side and the hydrophobic talis toward outersideB. both heads and tails toward outerside C. heads toward outerside and tail towards inside D. both heads ...
What are the Relation between current and drift velocity ?
The equation of x – axis is of the form A. x = 0 B. y = 0 C. x + y = 0 D. x = y
A cyclist is riding with a speed of 27 km/h. As he approaches a circular turn on the road of radius 80 m, he applies brakes and reduces his speed at the constant rate of 0.50 m/s ...