III- Instruments that employing to measuring power of electricity is called- a) Energy meter b) Barometer c) Weight balance d) Length meter e) Wattmeter

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III- Instruments that employing to measuring power of electricity is called---
a) Energy meter b) Barometer c) Weight balance d) Length meter e) Wattmeter
IV-The suitable precision (number of freedom) for vemier to measuring outside diameter at 12.08 mm Is-
-digit (show that).
a) Zero b) First ) Second d) Third e)Fourth
Transcribed Image Text:III- Instruments that employing to measuring power of electricity is called--- a) Energy meter b) Barometer c) Weight balance d) Length meter e) Wattmeter IV-The suitable precision (number of freedom) for vemier to measuring outside diameter at 12.08 mm Is- -digit (show that). a) Zero b) First ) Second d) Third e)Fourth
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Barometer:- It is used for the measurement of atmospheric pressure.

There are two types of Barometer namely Aneroid Barometer and Mercury Barometer.

The Barometer measures the atmospheric pressure in the unit called- atmospheres or bars.

Weigh Balance:- It used for measuring the weight or mass of an object.

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