Standard voltmeters?

Question

What is the sensitivity of the galvanometer (that is, what current gives a full scale deflection) inside a voltmeter that has a 1.00 M ohm resistance on its 30.0 V scale?

Answer 1

I=E/R

I=30/1,000,000=0.00003 amps, 0.03 ma, or 30 microamps