$\begin{array}{1 1}(1)\text{+ve terminal 1, −ve terminal
2, resistance high} \\ (2) \text{+ve terminal 2, −ve terminal
1, resistance high} \\ (3) \text{+ve terminal 3, −ve terminal
2, resistance high} \\ (4) \text{ +ve terminal 2, −ve terminal
3, resistance low}\end{array} $