Gauss is unit of which quantity
|
(a) H |
(b) B |
(c) ∅ |
(d) I |
Gauss is unit of which quantity
|
(a) H |
(b) B |
(c) ∅ |
(d) I |
(b) B
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Which of the following gives the value of magnetic field according to, Biot-Savart’s law’
|
(a) |
(b) |
(c) |
(d) |
An archaeologist analyses the wood in a prehistoric structure and finds that
(Half life = 5700 years) to
is only one- fourth of that found in the cells buried plants. The age of the wood is about
|
(a) 5700 years |
(b) 2850 years |
(c) 11,400 years |
(d) 22,800 years |
To obtain a P-type germanium semiconductor, it must be doped with
|
(a) Arsenic |
(b) Antimony |
(c) Indium |
(d) Phosphorus |
The deflection in a moving coil galvanometer is
|
(a) Directly proportional to the torsional constant |
|
(b) Directly proportional to the number of turns in the coil |
|
(c) Inversely proportional to the area of the coil |
|
(d) Inversely proportional to the current flowing |