Practice

Questions

Pick a topic and practice with clear explanations.

Medical

Choose the correct circuit which can achieve the bridge balance. [Diagram: Four options (a), (b), (c), (d) each showing a Wheatstone bridge circuit. Option (d) shows resistances of 10Ω\Omega, 15Ω\Omega, 100Ω\Omega, and 150Ω\Omega in the arms, with a galvanometer (G) between the middle points and a key (K) in the battery branch.]