Current balance / force acting on a current-carrying conductor with an amperemeter

The force acting on a current-carrying conductor loop in a uniform magnetic field (Lorentz force) is measured with a balance. Conductor loops of various sizes are suspended in turn from the balance, and the Lorentz force is determined as a function of the current and magnetic induction. The uniform magnetic field is generated by an electromagnet. The magnetic induction can be varied with the coil current.

  • The use of a mechanic balance is especially suitable for a vivid demonstration of the Lorentz force
  • Four different wire loops included: Clearer and deeper understanding of all correlations leads to an enhanced learning success

Balance LGN 310, on rod

Pole pieces,rectangular, 1 pair

Wire loop, l 12.5 mm, n 1

Wire loop, l 25 mm, n 1

Wire loop, l 50 mm, n 2

Wire loop, l 50 mm, n 1

Tripod base PHYWE

Support rod, stainless steel, 1000 mm

Distributor

On/off switch

Metal strip, with plugs

Iron core, U-shaped, laminated electric steel

Coil, 900 turns

Ammeter 1/5 A DC

Connecting cord, 100 mm, red

Connecting cord, 32 A, 250 mm, red

Connecting cord, 32 A, 250 mm, blue

Connecting cord, 32 A, 500 mm, red

Connecting cord, 32 A, 500 mm, blue

Connecting cord, 32 A, 1500 mm, red

Connecting cord, 32 A, 1500 mm, blue

Bridge rectifier 250 VAC/5 A

PHYWE power supply, universal DC: 0…18 V, 0…5 A / AC: 2/4/6/8/10/12/15 V, 5 A

Right angle clamp expert

  1. The direction of the force is to be determined as a function of the current and the direction of the magnetic field.
  2. The force F is to be measured, as a function of the current IL in the conductor loop, with a constant magnetic induction B and for conductor loops of various sizes. The magnetic induction is to be calculated.
  3. The force F is to be measured, as a function of the coil current IM, for a conductor loop. In the range being considered, the magnetic induction B is, with sufficient accuray, proportional to the coil current IM.
  • Uniform magnetic field
  • Magnetic induction (formerly magnetic-flux densitiy)
  • Lorentz force
  • Moving charges
  • Current

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Product number

P2410601

Current balance force acting on a current-carrying conductor with an amperemeter

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