Question
In the given figure, equivalent resistance between A and B will be
|
(a) |
(b) |
(c) |
(d) |
In the given figure, equivalent resistance between A and B will be
|
(a) |
(b) |
(c) |
(d) |
(a)
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The amplification factor of a triode is 20. If the grid potential is reduced by 0.2 volt then to keep the plate current constant its plate voltage is to be increased by
|
(a) 10 volt |
(b) 4 volt |
(c) 40 volt |
(d) 100 volt |

The radius of curvature of the curved surface of a plano-convex lens is 20cm. If the refractive index of the material of the lens be 1.5, it will.
The colour of the second line of Balmer series is
| (a) Blue | (b) Yellow |
(c) Red |
(d) Violet |

Find the equivalent resistance between the points a and b
|
(a) 2 W |
(b) 4 W |
(c) 8 W |
(d) 16 W |