- AStatic current
- BConventional current
- ✓Electronic current
- DPotential current
The carriers of electric current are electrons. The current in a circuit is due to the flow of electrons. Therefore, the direction of the conventional current is opposite to the direction of flow of electrons.
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$(A)$ the cut-off wavelength will reduce to half, and the wavelengths of the characteristic $X$-rays will remain the same
$(B)$ the cut-off wavelength as well as the wavelengths of the characteristic $X$-rays will remain the same
$(C)$ the cut-off wavelength will reduce to half, and the intensities of all the $X$-rays will decrease
$(D)$ the cut-off wavelength will become two times larger, and the intensity of all the $X$-rays will decrease