Specification of Conductivity Apparatus (Physics Laboratory)
Purpose: To compare the electrical conductivity of different metal samples. To verify Ohm's law for metallic conductors.
Power Supply: Built-in regulated DC power supply Output voltage: 0-6 V DC (variable) Short-circuit protected
Measuring Instruments: Voltmeter Type: Analog (moving-coil)
Range: 0-5 V DC Least count: 0.1 V
Ammeter: Type: Analog (moving-coil)
Range: 0-1 A DC (or 0-500 mA) Least count: 0.02 A / 10 mA
Sample Holder: Horizontal metal rod mounting arrangement Two adjustable clamps for holding metal samples firmly Suitable for copper, aluminium, iron, brass, nichrome rods/wires
Sample Dimensions: Length of sample: 5-10 cm Diameter: uniform cross-section required
Electrical Connections: 4 mm banana terminals (red & black) Flexible insulated connecting wires included
Control Knobs: Coarse voltage control Fine voltage control (in some models)
Indicator: Small pilot lamp / bulb to indicate current flow (as shown)
Construction: Metal enclosure with powder-coated finish Rigid base for stability Shock-proof design