A resistance `DeltaR`=1980 `Omega` is connected in series with a voltmeter when its scale divisons decreases `eta`=10%. Calculate the resistance R_(V) of the voltmeter.

A high resistance of 3,000 ohm is connected in series with a voltmeter. In so doing, the scale division becomes 300 times greater. Calculate the resistance of voltmeter.

A resistance of 1980Omega is connected in series with a voltmeter, after which the scale division becomes 100 times larger. Find the resistance of voltmeter.

A resistance of 1980Omega is connected in series with a voltmeter, after which the scale division becomes 100 times larger. Find the resistance of voltmeter.

A resistance of 980Omega is connected in series with a voltmeter, after which the scale division becomes 50 times larger. The resistance of voltmeter is

A 100 V voltmeter having an internal resistance of 20 k Omega is connected in series with a large resistance R across a 110 V line. What is the magnitude of resistance R if the voltmeter reads 5 V ?

A 100 V voltmeter having an internal resistance of 20 k Omega is connected in series with a large resistance R across a 110 V line. What is the magnitude of resistance R if the voltmeter reads 5 V ?

With a resistance R connected in series with a galvanometer of resistance 100 Omega , it acts as a voltmeter of range 0-V. To double the range a resistance of 1000 Omega is to be connected in series with R. Then the value of R is ( Omega )

Resistance of 100 Omega and 200 Omega are connected in series with 220 V mains. When a voltmeter of 1000 Omega resistance is connected in parallel to 100 Omega , then the reading of voltmeter is