Question

Study the circuit shown and answer the question 1. What is the function of X in the circuit? 2. What would happen to the current drawn from cell if X and Y are interchanged? 3. Name and state the function of Z in circuit 4. Why should we prefer a higher value of the resistor R while verifying ohm law?

Answer 1

where is the circuit diagram for solving this question???

Answer 2

where is the circuit?.