Current Electricity and Electrical InstrumentEasy
Question
A potentiometer wire has resistance 40Ω and its length is 10m. It is connected by a resistance of 760Ω in series. If emf of battery is 2V then potential gradient is :-
Options
A.0.5 × 10-6 V/m
B.1 × 10-6 V/m
C.1 × 10-2 V/m
D.2 × 10-6 V/m
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions
More Current Electricity and Electrical Instrument Questions
In the circuit shown here, what is the value of the unknown resistor R so that the total resistance of the circuit betwe...If each resistance in the fig. is of 9 Ω then reading of ammeter is : -...In the circuit shown in figure....In the figure shown the shown generated in y is maximum when y = 5W then R is...For the resistance network shown in the figure, choose the correct option(s)...