The current inside a copper voltameter
|
(a) Is half the outside value |
(b) Is the same as the outside value |
|
(c) Is twice the outside value |
(d) Depends on the concentration of |
(b) Is the same as the outside value
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The valence of an impurity added to germanium crystal in order to convert it into a P-type semi conductor is
|
(a) 6 |
(b) 5 |
(c) 4 |
(d) 3 |
A torch battery consisting of two cells of 1.45 volts and an internal resistance 0.15Ω, each cell sending currents through the filament of the lamps having resistance 1.5ohms. The value of current will be
|
(a) 16.11 amp |
(b) 1.611 amp |
(c) 0.1611 amp |
(d) 2.6 amp |
Resistance of semiconductor at 0 K is
|
(a) Zero |
(b) Infinite |
(c) Large |
(d) Small |
A nucleus ruptures into two nuclear parts which have their velocity ratio equal to 2 : 1. What will be the ratio of their nuclear size (nuclear radius)
|
(a) |
(b) 1 : |
(c) |
(d) 1 : |
