Current Electricity and Electrical InstrumentHard

Question

In the previous question find the resistance between points 1 - 3. 

Options

A.3/4 R
B.5/6 R
C.3/5 R
D.6/5 R

Solution


due to input output symmetry, here no current passes through resistance 2 to 6 and 4 to 8. Equivalent circuit is
Req = Req = R

Create a free account to view solution

View Solution Free
Topic: Current Electricity and Electrical Instrument·Practice all Current Electricity and Electrical Instrument questions

More Current Electricity and Electrical Instrument Questions

For two wires A and B of same material and of same mass, the radius of A is double that of B. If the resistance of wire ...The temperature (T) dependence of resistivity (ρ) of a semi-conductor is represented by:...n the box shown current i enters at H and leaves at C. If iAB = , iDC = , iHA = , iGF = , iHE = , Choose the branch in w...Three 60W, 120W light bulbs are connected across a 120 V power source. If resistance of each bulb does not change with c...The difference in the variation of resistance with temperature in a metal and a semiconductor arises essentially due to ...