Current Electricity and Electrical InstrumentHard
Question
In the following circuit, the galvanometer gives zero deflection. The value of resistance X will be-
Options
A.3 ohm
B.6 ohm
C.9 ohm
D.18 ohm
Solution
In case of zero deflection 
⇒
= 3 ⇒ x = 18 Ω
⇒
= 3 ⇒ x = 18 ΩCreate 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
The resistance of galvanometer is G ohm and the range is 1 volt. The value of resistance used to convert it into a voltm...A battery of emf E0 = 12 V is connected across a 4m long uniform wire having resistance . The cells of small emfs e1 = 2...In which one of the following arrangements of resistors does the ammeter M, which has a resistance of, give the largest ...In a potentiometer experiment the balancing with a cell is at length 240 cm. On shunting the cell with a resistance of 2...In the circuit shown the cells A and B have negligible resistances. For VA = 12V, R1 = 500 Ω and R =100 Ω the ...