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Brand: COMETEK
Cometek Rheostat - Linear Type Sliding Rheostat - Length: 10 Inches, 100 ohms : 1.6 Ampere
SKU: TB-CO-73396
Estimated Delivery By: Jun 21 - Jun 23 
MRP : ₹1500 ₹1489
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Estimated Delivery By: Jun 21 - Jun 23 Easy Return
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₹1489 (Including GST)
MRP : ₹1500
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Short Description
Cometek Rheostat Linear Type Sliding Rheostat
Length: 10 Inches, 100 ohms : 1.6 Ampere
Country of origin: India
Specifications
- Brand: COMETEK
- Maximum Resistance: 100 (Ohms)
- Maximum Current Rating: 1.6 A (Amperes)
Description
The Cometek Linear Type Sliding Rheostat (10 Inches, 100 Ohms : 1.6 Ampere) is a professional-grade electrical variable resistor specifically engineered for accurate current control and voltage distribution within secondary, university, and engineering physics laboratories. Built with an extended 10-inch frame, this instrument utilizes a heavy-wall insulating ceramic cylinder wrapped tightly in an oxidized constantan alloy wire matrix that guarantees uniform resistance values and exceptional thermal stability under continuous operation. The integrated slider carriage features high-tension metal brush contacts that sweep smoothly across the polished track, enabling step-free electrical micro adjustments. Supporting up to a 1.6A current limit, this 100-ohm device is ideal for safeguarding delicate circuit elements, altering circuit impedances, and clarifying basic electromagnetic laws.
Features
:- Oxidized Protective Coating: Coils feature an insulated oxidized layer that forces current to navigate the continuous helix path sequentially, eliminating shorting.
- Low Friction Carriage Rail: Features a rigid metal guide bar and spring-loaded wipers that keep constant electrical contact with zero micro-signal interruptions.
- Dual Action Circuit Compatibility: Equipped with three distinct terminal connections, permitting instant transformation between a 2-terminal series current regulator and a 3-terminal voltage divider.
- Anti Tip Metal Support Pillars: Supported by rugged, die-cast end brackets that securely anchor the ceramic core while isolating high voltages from the lab bench surface.
Applications
:- Series Protective Current Limiters: Ideal for creating a protective resistance barrier to prevent over-current blowouts in sensitive analog ammeters and experimental galvanometers.
- RC Circuit Time Constant Mapping: Used to manipulate total circuit resistance ($R$) within resistor-capacitor loops to alter and analyze voltage charging curves over time.
- Semiconductor Curve Tracing: Enables students to step-control forward and reverse biasing thresholds when mapping operating characteristics of diodes and transistors.
- Wheatstone Bridge Balancing: Acts as a finely adjustable manual resistor arm to calibrate bridge balancing circuits during mystery resistance evaluations.
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