Lascells bil coil

Lascells BIL Coil

An updated and improved BIL Coil from Lascells, with significant cost savings. Now rated for 8 Amps, this latest version introduces the option for a single wire, aligning with the A-Level Physics required practical - measuring the force on a current-carrying conductor in a magnetic field: F = BIL (F = force on the wire-conductor (Newtons); B = magnetic flux density-field vector (Tesla); I = current flowing through the wire (Amps); L = length of the wire within the magnetic field (metres)).

Designed for ease of use and quick set up, the BIL Coil is simply held in place by clamping the integral rod using a retort stand and clamp. The bottom of the apparatus is suspended between a magnetic yoke with ferrite-ceramic magnets attached (e.g. from a Westminster kit - not supplied), placed on top of the pan of an electronic balance. This provides the magnetic field for the experiment. When a current is passed through the coil or single wire, the force can easily be measured by noting the change in reading on the balance display. Reversal of the current direction or the magnetic field direction will reverse the force direction, which can be easily demonstrated.

With additional tappings for both 5 and 10 lengths of wire, the Motor Effect can be amplified, generating larger forces - this guarantees accurate, repeatable data, even with less sensitive balances. Whether demonstrating Amperes Law, or calculating B, magnetic flux density (magnetic field strength), this BIL Coil is a robust and user-friendly upgrade to traditional wire set ups.

Also required: Laboratory DC power supply (max. 8 Amps rating); Ammeter; Electronic top pan balance with a resolution of 0.01 g (10 mg) or better; Magnet yoke and 2 x ceramic-ferrite-Magnadur magnets; 4 mm plug leads.

Single-wire tapping for A-Level Physics practical force on a conductor in a magnetic field
Amplify BIL through increased wire length via 5 and 10 turn tappings
Single retort-stand mounting
Demonstrate the Motor Effect, and consistently model the F = BIL relationship
Flemings Left Hand Rule
Investigations into Force-Current
Investigations into flux linkage
Maximum Current: 8 A
Dimensions: 120 x 185 x 15 mm
Weight: 52 g

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