Electricity and electric current
Product Code : SCL-MH-12596
Demystify the foundational frameworks of electrodynamics with the premium Advanced Electricity and Electric Current Laboratory Kit, precision-engineered by Educational Instrument India. Developed specifically to meet the active demands of modern physics and electrical science laboratories, this comprehensive training board serves as an ultimate modular sandbox for constructing, testing, and verifying electrical network behaviors in real-time.
The system transforms abstract macroscopic concepts into highly visible, quantifiable observations. Students begin by exploring fundamental phenomena: analyzing how electricity and electric current manifest via charge vectors, defining the properties of a conductor versus an insulator, and tracking the kinetic properties of electrons moving along structural pathways. The kit provides a complete array of multi-point terminals and quick-connect patch leads, allowing users to safely observe the thermal, chemical, and magnetic results generated when electric charge flows through different media profiles.
Crucially, the workstation is optimized to investigate the core mathematical laws governing circuit architectures. Using calibrated analog and digital instrumentation, students can plot cross-boundary metrics to verify Ohm's Law, establishing how electric current behaves proportionally to potential differences while inversely correlating with net resistance values. The board accommodates multiple component configurations, allowing classrooms to build, test, and mathematically calculate the structural variations dividing circuits with components in series from circuits with components in parallel.
Extending into secondary electromagnetic mechanics, the kit bridges the gaps dividing static fields from kinetic current flows. Students explore the physical properties of a magnet, map out localized magnetic effects of electric current (such as Oersted's deflection mechanics), and analyze the mechanical force generation behind an active electromagnet. With integrated low-voltage power regulation and built-in fuse protection, this kit guarantees complete operational safety alongside outstanding data repeatability across many academic terms.
Complete Curricular Integration: Designed strictly to satisfy the practical lab frameworks outlined by CBSE, NCERT, ICSE, IGCSE, and IB Diploma science testing parameters.
No-Solder Plugin Architecture: Features robust, heavy-duty elastic terminal blocks and heavy-gauge insulated copper patch cords to enable quick, error-free modifications without thermal tool hazards.
Google E-A-T Quality Compliance: Formulated inside an ISO 9001:2015 quality-monitored manufacturing line, ensuring each voltmeter, ammeter, and fixed resistance module maintains precise tracking metrics.
Product Specifications
Brand Name: Educational Instrument India
Model Identification: EII-ELE-2026 / Professional Circuit Series
Target Learning Levels: High School, Higher Secondary (10+2), Polytechnic, and Industrial Training Institutes (ITI)
Structural Panel Formulation: High-Insulation Phenolic Composite Baseboard, Shatter-Proof ABS Instrument Housings, Heavy Insulated Pure Copper Cords
Primary Components Matrix:
Low-Voltage DC Variable Regulated Power Module (0-12V, 2A output with short-circuit protection)
Precision Analog Dual-Scale DC Voltmeter (0-3V / 0-15V) & DC Ammeter (0-0.6A / 0-3A)
Variable Rheostat Slider Unit (0-50 Ohms, 2A capacity)
Set of Material Conductivity Samples (Copper, Iron, Aluminum, Plastic, Glass, Carbon)
Modular Component Mounts (3 Screw-base Miniature Lamp Sockets, 2 Single-Pole Switches)
Fixed-Value Wire-Wound Standard Resistors Set (5 Ohms, 10 Ohms, 15 Ohms)
Electromagnetic Study Set (Solid Iron Core Bobbin coil, Floating Magnetic Needle, 2 Bar Magnets)
Measurement Sensitivity: Instrument accuracy rating down to of full-scale value; Dial scaling resolution to 0.02A / 0.1V
Compliance Framework: ISO 9001:2015 Quality Systems Certified, CE Pedagogical Safety Tracking Approved
Total Net Weight: 4.85 kg (Packaged securely within an impact-resistant, non-conductive organizational storage case)
How to Use It: Step-by-Step Laboratory Guide
Activity 1: Testing Electrical Conductivity (Conductors vs. Insulators)
Connect a patch cord from the positive output of the low-voltage power supply module to a modular lamp socket holding a miniature bulb.
Run a secondary wire from the lamp terminal to open terminal clamping post Alpha, and link clamping post Beta back to the negative rail of the power unit, forming an open circuit break.
Set the power output to 3V. Secure an experimental sample rod (e.g., copper or iron) across the gap between terminal post Alpha and Beta. The lamp will illuminate instantly, proving that the material functions as an efficient conductor.
Substitute the metal rod with samples of dry plastic, rubber, or glass. The lamp will remain unlit, demonstrating that these materials act as an insulator due to their extreme resistance to free electron movement.
Activity 2: Verifying Ohm's Law and Fixed Component Dynamics
Mount a standard 10-Ohm fixed resistor module onto the central tracking grid of the board.
Wire the DC Ammeter in a series loop with the resistor path to monitor the net intensity of the electric current flowing through it. Connect the DC Voltmeter in parallel across the specific terminal faces of the resistor to track the precise potential drop.
Activate the power supply. Gradually rotate the voltage dial upward in steps of 1V (e.g., from 1V to 5V). At each incremental coordinate, instruct students to log both the changing voltmeter value (V) and the corresponding ammeter value (I).
Instruct students to plot a curve graphing Voltage against Current. The resulting straight diagonal line proves that current is directly proportional to potential difference, verifying Ohm's Law.
Activity 3: Evaluating Series and Parallel Component Networks
Circuits with Components in Series: Wire three miniature lamp modules sequentially, creating a single end-to-end continuous pathway linked back to the source. Activate the system. Note that all lamps glow with a dimmed uniform intensity. Open a single switch or unscrew one bulb; all lamps will turn off instantly, proving that a series topology provides only a single shared loop path where any open point breaks the entire network flow.
Circuits with Components in Parallel: Reconfigure the three lamp modules so that each branch connects independently across the common primary supply rails. Activate the system. Observe that each lamp glows at full, bright native operational intensity. New measurements reveal that if you unscrew one bulb, the remaining two lamps continue to operate undisturbed, demonstrating that parallel tracking maps independent potential lines, making it the definitive design rule for industrial and domestic wiring architectures.
Frequently Asked Questions (FAQ)
Q1: What is the main difference between electric current behaviors in series versus parallel setups?
Ans: In a series network, there is only one physical path for the current, meaning the exact same intensity of current flows through every single component sequentially. In a parallel network, the circuit splits into multiple independent branch lines. The current divides across these tracks based on individual resistances, while the potential difference (voltage drop) remains identical across every parallel node line.
Q2: How does this apparatus help students visualize the magnetic effects of electric current?
Ans: The kit features an isolated coil winding surrounding a hollow center tube. When a continuous current is passed through the wire loops, it forms a dense local magnetic field vector matrix. By tracking the physical deflection of an adjacent floating magnetic compass needle, students see that moving electrical charges generate a surrounding magnetic field, a principle used to construct the included heavy-duty electromagnet assembly.
Q3: Does the regulated power supply module require external battery blocks to run experiments?
Ans: No. The kit includes a fully integrated step-down transformer circuit that draws power directly from standard Indian domestic AC wall sockets (220V, 50Hz). It filters and regulates this power into a completely safe, low-voltage, continuous DC output (0-12V), eliminating the ongoing costs and chemical degradation hazards associated with external battery storage.
Q4: What should be done to preserve the calibration accuracy of the analog meters over time?
Ans: To maintain precision, avoid sudden over-voltage spikes that slam the pointer needles against their physical limits. Always select the highest scaling range option first before refining your wire connections. Store the kit components inside the non-conductive storage case in a cool, dry place free from moisture to prevent internal rust on terminal points.
