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Consider resistance of the voltmeter to be r calculated the equivalent resistance of circuit. By ohms law you can calculate the current through the circuit then divide the current i you will get into 2 branches of 100 ohm and that of voltmeter current in voltmeter would be 100/100+r times total current then apply ohms law across the voltmeter
deepa63:
can you explain step wise as i am not getting it
resistance of voltmeter is r let
ok
so find net resistance of 100 ohm resistor and r and let it be R
yes
net resistance of circuit will be R+50
find the current through circuit
then find current through r and apply ohms law
ok i got it
thnx ☺
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