Thank you sir na 9th standard very useful information sir I am your subscribe Please say to my name in ARMAAN plss talk my name 9th standard science poduinka Sir vanakkam
The stopcock should not be adjusted for drop by drop flow. The pressure head is hdg . Adjusting the stopcock prevents the pressure for free flow. One can take a narrow long capillary tube for drop by drop flow. Stopcock is kept open completely. Thanks.