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Which one of the following devices is used to measure atmospheric pressure? |
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(a) |
Ammeter |
(b) |
Barometer |
|
(c) |
Potentiometer |
(d) |
Lactometer |
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Which one of the following devices is used to measure atmospheric pressure? |
|||
|
(a) |
Ammeter |
(b) |
Barometer |
|
(c) |
Potentiometer |
(d) |
Lactometer |