Current Electricity and Electrical InstrumentHard
Question
When the switches are arranged so that the current through the battery is minimum, what is the voltage across points A and B -


Options
A.4 V
B.0 V
C.1 V
D.2 V
Solution
For minimum current, Resistance should be maximum so all switches must be open
So current through battery
= 2A
VAB = (1A) (1Ω) = 1V
So current through battery
VAB = (1A) (1Ω) = 1V
Create a free account to view solution
View Solution FreeTopic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
For changing the range of a galvanometer with G ohm resistance from V volt to nV, what will be the value of resistance c...A resistance of 2 Ω is connected across one gap of a metre-bridge (the length of the wire is 100 cm) and an unknown...When a voltmeter is conected across the terminals of a cell, it measure 9 Volt. If a resistance of 1.5 Ω is connect...In which of the above cells, the potential difference between the terminals of a cell exceeds its emf....A cylindrical wire is stretched such that its length gets doubled but volume remains same, the resistance of wire become...