GEO 2025Q3
Q: For a given system of resistors having resistances R, 2R, R0 and 2R (shown in the figure), what will be the value of resistance of the resistor R0 when there is NO current in the galvanometer G?
(a)R0 = 0
(b)R0 = R
(c)R0 = 2R
(d)R0 = 4R
Answer pending verification