Question

2.
A student, while performing an experiment in the science labertory, comessa
an electric bulb to an electric cell through an electric switch. He noticed thassa
bulb did not glow when the electric switch was set in its ON position. Metion
'any two reasons for this observation,​

Answer 1

Answer:

Now first of all you need get the least count of both meters.

Then add as many least counts as needed to add up to the point where needle coincides.

Its is a little about measurement & error

Just subtract the initial reading of the open circuit to the reading when u perform experiment.

Actual reading = Final reading - Initial reading