Current Electricity and Electrical InstrumentEasy
Question
In the following circuit, the resistance of a voltmeter is 10,000 Ω and that of an ammeter is 20 Ω . If the reading of an ammeter is 0.1 amp. and that of voltmeter is 12 volt, then the value of R is :-


Options
A.122 Ω
B.100 Ω
C.118 Ω
D.116 Ω
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
If i = 0.25 amp. in fig then value of R is : -...The total current supplied to the circuit by the battery is...In which of the above cells, the potential difference between the terminals of a cell exceeds its emf....The current i in the circuit of figure is -...A millimeter of range 10mA and resistance is joined in a circuit as shown. The meter gives full-scale deflection for cur...