The range of voltmeter of resistance `300 Omega` is 5 V. The resistance to be connected to convert it into an ammeter of range 5 A is

A maximum current point 0.5mA can be passed through a galvanometer of resistance 20Omega . The resistance to be connected in series to convert it in the voltmeter of range 0-5V is

A maximum current of 0.5 mA can be passed through a galvanometer of resistance 20Omega . Calculate the resistance to be connected in series to convert it into a voltmeter of range (0- 5)V .