- AHigh potential at N side and low potential at P side.
- BHigh potential at P side and low potential at N side.
- CP and N both are at same potential.
- DUndetermined.
Explanation:

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If m is mass of electron, v its velocity, r the radius of stationary circular orbit around a nucleus with charge Ze, then from Bohr's first postulate, the kinetic energy K =
of the electron in C.G.S. system is equal to
|
(a) |
(b) |
(c) |
(d) |
The equivalent resistance between points A and B of an infinite network of resistances each of 1Ω connected as shown, is
|
(a) Infinite |
(b) 2 Ω |
(c) |
(d) Zero |
The maximum current that can be measured by a galvanometer of resistance 40 W is 10 mA. It is converted into a voltmeter that can read upto 50 V. The resistance to be connected in series with the galvanometer is ... (in ohm)
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(a) 5040 |
(b) 4960 |
(c) 2010 |
(d) 4050 |