A milliammeter gives full scale deflection when the potential difference across it is 5 volt and the current through it is 10 mA. How will you convert it into a voltmeter of range 0 to 100 volt?

A milliammeter has a resistance of 10 ohm and has a range of 0.25 mA. How will you convert it into a voltmeter to read voltage upto 25 volt?

Calculate the potential difference across a 10 Omega resistor carrying a current of 0.2 A

A galvanometer with a coil of resistance 40 ohm gives a full scale deflection for a current of 5 mA. How will you convert it into an ammeter of range 0-5 A ?

A moving coil galvanometer has a resistance of 25Omega and goes a full scale deflection for a current of 10mA. How will you convert it into voltmeter having a range of 0.100V?

A moving coil galvanometer of resistance 40 Omega gives full scales deflection when a current of 0.25 mA is paased through it. To convert it to voltmeter of range 10 V, the resistance requried to be placed in series is

A galvanometer gives full scale deflection when the current passed through it is 3 mA. Its resistance is 100 Omega with connecting additional resistance in series, then it can be used as voltmeter of range

A galvanometer of resistance 5 ohms gives a full scale deflection for a potential difference of 10 mV. To convert the galvanometer into a voltmeter giving a full scale deflection for a potential difference of 1 V, the size of the resistance that must be attached to the voltmeter is

Choose the correct alternative and write it along its allotted alphabet: When a potential difference of 24 V is applied across a conductor, the current through it is 0.24 A. The resistance of the conductor is……..

Calculate the heat generated in joule in a coil when potential difference of 30 volts is applied across it. The current of 0.8 A is passed for 4 minutes.

A potential difference of 0.75 V applied across a galvanometer causes a current of 15 mA to pass through it . If it can be coverted into ammeter of range of 25 A , the required shunt should be