CHARGE/DISCHARGE CIRCUIT
Order Code : 04-001 Price : £19.20
For demonstration or student manual plotting of charge and discharge graphs.
- Simple, clear layout.
- Chosen R and C mount in on-board sockets.
- Simplified ammeter connection with "plug-in" lead.
Supplied with components, ammeter lead and worksheets.
CONSTANT CURRENT CHARGING CIRCUIT
Order Code : 04-003 Price : £18.30
Generates a constant current (programmable from 0.1mA to 1.5mA in 0.1mA steps) to linearly charge a capacitor.
- Calculate charge from Q = I t
- Investigate Q-V relationship
- Calculate capacitance from C = Q/V
- Simple method of measuring capacitance directly from definition
Supplied with components and worksheets.
RECTIFIER / SMOOTHING DEMONSTRATION
Order Code : 04-004 Price : £13.10
Simply laid out rectifier circuit with sockets to accept plug-in smoothing capacitor, and on-board resistor as load. Use an oscilloscope to display input ac, half-wave rectified output smoothed by addition of capacitor.
Five values of capacitor supplied to progressively demonstrate smoothing effect.
Supplied with components and worksheet.