Scientific Instruments and Appliances-2

1.Dynamo:
Dynamo is a device for converting mechanical energy into electrical energy.

2.Dynamometer:
Dynamometer is an instrument for measuring the electrical power.

3.Electrocardiograph (ECG):
Electrocardiograph (ECG) is an instrument used for detection of electric impulses of the heart.

4.Electroencephalograph (EEG):
Electroencephalograph (EEG) is an instrument used for recording of change in electric potential in various areas of the brain by means of electrodes on the scalp or in the brain itself.

5.Electroscope:
Electroscope is an instrument for detecting the presence of electric charge.

6.Galvanometer:
Galvanometer is an instrument for measuring electric current.

7.Hydrometer:
Hydrometer is an instrument for measuring the relative density of liquids.

8.Hydrophone:
Hydrophone is an instrument for measuring sound under water.

9.Hydroscope:
Hydroscope is an instrument for seeing objects below the surface of water.

10.Hygrometer:
Hygrometer is an instrument for measuring the relative humidity of the atmosphere.