Current Electricity and Electrical InstrumentHard
Question
The given Wheatstone bridge is showing no deflection in the galvanometer joined between the points B and D (Figure). Calculate the value of R.


Options
A.20 Ω
B.50 Ω
C.40 Ω
D.100 Ω
Solution
Req =
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
In a meter bridge the null point is obtained at the middle point of the wire. If in one gap the resistance is 10Ω, ...A moving coil galvanometer is converted into an ammeter reads upto 0.03 A by connecting a shut of resistance 4r across i...There is a current of 40 ampere in a wire of 10-6 m2 area of cross-section. If the number of free electron per m3 is 102...A certain metallic surface is illuminated with monochromatic light of wavelength, λ. The stopping potential for pho...Three resistance of values 2Ω, 3Ω and 6Ω are to be connected to produce an effective resistance of 4Ω...