The valence band and conduction band of a solid overlap at low temperature, the solid may be |
|||||||
a) |
A metal |
b) |
A semiconductor |
c) |
An insulator |
d) |
None of these |
The valence band and conduction band of a solid overlap at low temperature, the solid may be |
|||||||
a) |
A metal |
b) |
A semiconductor |
c) |
An insulator |
d) |
None of these |
A meter bridge is set-up as shown in figure, to determine an unknown resistance X using a standard 10 resistor. The galvanometer shows null point when tapping key is at 52cm mark. The end-corrections are 1cm and 2cm respectively for the ends A and B. the determined value of x is
a) |
10.2 |
b) |
10.6 |
c) |
10.8 |
d) |
11.1 |
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