Question 31
In groups, find out more about using an ammeter to take readings at various points in a parallel circuit.
Parallel circuits
1 Build the circuit with three lamps in parallel as shown in Figure 12.30.
2 Connect an ammeter at points A, B, C and D and record the readings at each point.
3 Answer the questions based on your measurements.
Which is the correct statement below?
Current at A = Current at B = Current at C = Current at D
Current at A = Current at B + Current at C + Current at D
Current at A = Current at B − Current at C − Current at D
Current at A + Current at B = Current at C + Current at D
Parallel circuits
1 Build the circuit with three lamps in parallel as shown in Figure 12.30.
2 Connect an ammeter at points A, B, C and D and record the readings at each point.
3 Answer the questions based on your measurements.
Which is the correct statement below?
Current at A = Current at B = Current at C = Current at D
Current at A = Current at B + Current at C + Current at D
Current at A = Current at B − Current at C − Current at D
Current at A + Current at B = Current at C + Current at D
