Electric Circuit Experiment

Effect of Number of Cells on Bulb Brightness - Series Connection

Materials Required

🔌 Conducting Wire
🔋 Few Dry Cells
💡 Bulb
âš¡ Switch

Procedure

  1. Connect bulbs in the circuits of one cell, two cells and three cells as shown in the circuits below.
  2. Click the Toggle Switch button to open/close each circuit.
  3. Observe the brightness of the bulb in each circuit configuration.
  4. Notice how adding more cells in series increases the bulb brightness.
Circuit (a): 1 Cell
Bulb Status
Switch
Circuit (b): 2 Cells
Bulb Status
Switch
Circuit (c): 3 Cells
Bulb Status
Switch

Electric Circuit Experiment | Demonstrating Series Connection of Cells | Physics Educational Tool