Instrument used to record EEG is

What is electrocardiogram (ECG) ? Name the instrument used to record ECG. What do five waves P, Q, R, S and T of ECG indicate ?

Sphygmomanometer is an instrument used to record

Sphygmomanometer is an instrument used to record

The instrument used to record the muscle twitch is:

Name the modern instrument used to record blood pressure.

Which of the following instrument can be used to record plant growth by seconds i.e .in faction of a minute

The instrument used to sow seeds is