Study of the charge and discharge of condenser through a resistance using Neon Bulb with Power Supply and 1 digital meter Manufacturer,Supplier and Exporter in India
Product Code : SCL-EELE-12299
Indian Lab Suppliers supplies the Study of the charge and discharge of condenser through a resistance using Neon Bulb with Power Supply and 1 digital meter (Product ID: 12299) as part of its electronics engineering lab equipment range. It studies the charge and discharge of a capacitor through a resistor with a neon bulb as the switch, forming a relaxation oscillator.
Quick Answer
The capacitor charges through a resistor from a 0-300 V DC, 20 mA regulated, short-circuit-protected supply until the neon bulb strikes, then discharges through the bulb until it goes out, and the cycle repeats as flashes. Students time the flashes with a digital stop clock (not included), measure the source voltage on the 3½-digit panel meter (0-1000 V, 1 V resolution, ±0.2% ±2 digits, 10 MΩ), and from the way the period changes with source voltage deduce the striking and extinction voltages of the bulb. Several resistors and capacitors are provided. The supply reaches 300 V DC and charged capacitors can give a shock, so connections must be changed only with the supply off and under supervision.
Key Specifications
| Parameter | Detail |
|---|---|
| Experiments | Charge and discharge through a resistance; period vs source voltage; striking and extinction voltages |
| Power supply | 0-300 V DC at 20 mA, IC regulated, short-circuit protected, coarse and fine control |
| Meter | 3½-digit LED panel meter, 0-1000 V DC, 1 V resolution, ±0.2% ±2 digits, 10 MΩ input |
| Components | Neon bulb on panel; set of resistors and capacitors |
| Mains | 230 V ±10%, 50 Hz AC; ON/OFF switch and fuse |
| Also required (not included) | Digital stop clock |
Where This Is Used
Used in physics practicals on RC time constants and relaxation oscillators. Related: Determination of the resistance & capacitance of a capacitor with power supply and 4 meters (C.R.) (Product ID: 12265). Browse the full Electronics Engineering Lab Equipment range or related Physics Lab Equipment products.
Frequently Asked Questions
Why does the period depend on the supply voltage?
A higher voltage charges the capacitor to the striking voltage sooner.
What is needed to time the flashes?
A digital stop clock.
Is the voltage dangerous?
Yes, up to 300 V DC; change connections only with the supply off.
Related Categories
Electronics Engineering Lab Equipment · Physics Lab Equipment · Electronics Lab Equipment
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