- A$C=qV$
- B$C=\frac{V}{q}$
- C$C=\frac{1}{2}qV$
- ✓$C=\frac{q}{V}$
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Statement-2: NOT gate inverts the input order.
The negative Zn pole of a Daniel cell, sending a constant current through a circuit, decreases in mass by 0.13g in 30 minutes. If the electrochemical equivalent of Zn and Cu are 32.5 and 31.5 respectively, the increase in the mass of the positive Cu pole in this time is
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(a) 0.242 g |
(b) 0.190 g |
(c) 0.141 g |
(d) 0.126 g |
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(a) Decreases |
(b) Increases |
(c) Remains unchanged |
(d) Nothing is definite |
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 =
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(a) |
(b) |
(c) |
(d) |
If current flowing through shell of previous objective is equal to i, then energy density at a point distance 2R from axis of the shell varies according to the graph
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(a)
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(b)
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(c)
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(d)
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