Physics-
General
Easy
Question
Equivalent resistance between A and B is...
- 10.6
- 20
- 16
- 8
The correct answer is: 10.6
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Effective resistance between A and B is .....when each resistance is 4 W
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The effective resistance of three conductors in series is 10 .One wire that breaks the effective resistance is 8 .The resistance of the wire that is broken is...
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If the resistance of a circuit having 12 V source is increased by 4 , the current drops by 0.5 A What is the original resistance of the coil?
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The specific resistance of the material of a wire is r and its volume is 3 m3 and its resistance is 3 The length of the wire will be ....
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An electron of mass m , moves around the nucleus in a circular orbit of radius ‘r’ under the action of centripetal force F The equivalent electric current is _______
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A glass prism of refractive index 1.5 is immersed in water (refractive index 4/(C) A light beam incident normally on the face AB is totally reflected to reach the face BC if
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A point object is placed at a distance of 20cm from a thin plano convex lens of focal length 15 cm The plane surface of the lens is now silvered The image fomed by the system is at.....
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A bi-convex lens is formed with two thin plano-convex lenses as shown in the figure Refractive index n of the first lens is 1.5 and that of the second lens is 1.2 Both the curved surfaces are of the same radius of curvature R = 14 cm For this bi-convex lens, for an object distance of 40 cm the image distance will be:
A bi-convex lens is formed with two thin plano-convex lenses as shown in the figure Refractive index n of the first lens is 1.5 and that of the second lens is 1.2 Both the curved surfaces are of the same radius of curvature R = 14 cm For this bi-convex lens, for an object distance of 40 cm the image distance will be:
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