When a current of 5mA is passed through a galvanometer having a coil of resistance `15Omega`, it shows full sacle deflection. The value of the resistance to be put in series with the galvanometer to convert it into a voltmeter of range `0-10V` is:
A galvanometer with a coil of resistance 50 Omega shows full-scale deflection when 10 mA current passes through it.
A galvanometer coil of resistance 50 Omega , show full deflection of 100 muA . The shunt resistance to be added to the galvanometer, to work as an ammeter of range 10 mA is
The resistance of galvanometer coil is 0.1 Komega . The current for full scale deflection is 100 mu A. The value of the resistance put in series to convert it into a voltmeter of range 0.1 volt is –
A galvanometer has a coil of resistance 100 Omega showing a full-scale deflection at 50muA . What resistance should be a to use itas (a) a voltmeter of range 50V and (b)an ammeter of range 10mA?
A galvanometer coil has a resistance of 10A and the meter shows full scale deflection for a current of 1mA. The shunt resistance required to convert the galvanometer into an ammeter of range 0-100mA is about
A galvanometer of resistance 30 Omega shows a full scale deflection for a current of 2 mA. Calculate the value of resistance required to convert it into a voltmeter of range 0-5 volt.
100 current gives a full scale deflection in a galvanometer of 2Omega resistance. The resistance connected with the galvanometer to convert it into a voltmeter to measure V 5 is
A galvanometer coil has a resistance of 990Omega and it shows full scale deflection for a current of 10mA. Calculate the value of resistance required to convert it into an ammeter of range 1 A.
Knowledge Check
A galvanometer with a coil of resistance 50 Omega shows full-scale deflection when 10 mA current passes through it.
A
The galvanometer can measure a maximum voltage of 0.5 V.
B
5 A current can be measured if a shunt of `0.1 Omega` is connected in parallel to it.
C
It can be used as voltmeter to measure a voltage of 5 V if `450 Omega` resistance is connected in series with the coil of the galvanometer.
D
It can be used as a voltmeter to measure a voltage of 50 V if `4,950 Omega` resistance is connected in series with the coil of the galvanometer.
The resistance of galvanometer coil is 0.1 Komega . The current for full scale deflection is 100 mu A. The value of the resistance put in series to convert it into a voltmeter of range 0.1 volt is –
A
`1000Omega`
B
` 100 Omega`
C
` 10 Omega`
D
`900 Omega`
A galvanometer coil has a resistance of 10 Omega and the meter shows full scale deflection for a current of 1 mA. The shunt resistance required to convert the galvanometer into an ammeter of range 0 - 100 m A is about
A
`10 Omega`
B
`1 Omega`
C
`0.1 Omega`
D
`0.01 Omega`
PRADEEP-MAGNETIC EFFECT OF CURRENT AND MAGNETISM-Competition Focus (Multiple Choice Questions)
