MCQ
The current inside a copper voltameter
  • A
    Is half the outside value
  • Is the same as the outside value
  • C
    Is twice the outside value
  • D
    Depends on the concentration of CuSO$_4$

Answer

Correct option: B.
Is the same as the outside value
(b) Is the same as the outside value

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

In Young’s experiment, the ratio of maximum to minimum intensities of the fringe system is 4 : 1. The amplitudes of the coherent sources are in the ratio
Suppose a container ia evacuated to leave just one molecule of a gas in it. Let $\mathrm{V}_{\mathrm{a}}$ and $\mathrm{v}_{\mathrm{rms}}$ represent the average speed and the $rms$ speed of the gas.
If particles are moving with same velocity, then maximum de-Broglie wavelength will be for
A cell of constant $e.m.f.$ first connected to a resistance ${R_1}$ and then connected to a resistance ${R_2}$. If power delivered in both cases is then the internal resistance of the cell is
Band spectrum is characteristic of
The internal resistance of a cell is the resistance of
A square loop of side $1\,m$ is placed in a perpendicular magnetic field. Half of the area of the loop inside the magnetic field. A battery of $emf$ $10\, V$ and negligible internal resistance is connected in the loop. The magnetic field changes with time according to relation $B = (0.01 -2t)\, Tesla$. The resultant $emf$ in the loop will be.....$V$
Two thin conducting shells of radii $R$ and $3R$ are shown in the figure. The outer shell carries a charge $+ Q$ and the inner shell is neutral. The inner shell is earthed with the help of a switch $S$.
A transformer is used to light a $100\,W$ and $110\,V$ lamp from a $220\,V$ main. If the main current is $0.5$ $amp$, the effieciency of the transformer is approximately .....$\%$
There is a current of 1.344 amp in a copper wire whose area of cross-section normal to the length of the wire is 1$mm^2$ . If the number of free electrons per $cm^3$ is $8.4\times 10^{22}$ , then the drift velocity would be