Keep my session open?
Ending In 
The session is expired
Your session has expired. For your security, we have logged you out.
Would you like to log in again?

CENCO® Laws of Resistance Board

XP-581A SV039
The Laws of Resistance Board is an ideal device for Ohm’s Law experiments.

  • Length: 12.5 cm
  • Width: 110 cm
  • Wire Length: 1 m
  • Rugged Construction
  • Instructions Included
The board illustrates the combined resistances of wires in series or in parallel and how the resistance of a conductor varies with changes in length, diameter, and material.

It consists of four strands of wire (No. 30 nickel-silver, No. 24 nickel-silver, No. 30 iron, and No. 30 copper) mounted on a sheet-metal base. Each wire is 1 m long and attached to binding posts. The provided instructions include suggestions for experiments.

Ordering information: This board includes instructions. It requires a regulated DC power supply and a multimeter with a resistance measurement, sold separately.

Caution: Caution:This product has small parts. It is not for children under three years. CHOKING HAZARD.



Item # Description Unit Availability Price Quantity
470016-010 Laws of Resistance Board
Each Retrieving


Item # Description Voltage Output Voltage Current Unit Availability Price Quantity
470122-090 Handheld Digital Multimeter
- - - Each Retrieving


Need help?

  • Whatever you have to say, positive or negative, is important to us.
  • Providing feedback takes only seconds.
  • Your feedback will be made available to the public on the web. will publish your name as user.
You can use this name, or edit and save a nickname.
We recommend authors use their first and last initial.

Please confirm your profession

Example: Education

Please confirm your role

Example: Teacher

Please confirm your location

Example: New York, NY


Total Ratings: 0
Avg. Ratings: 0.0 out of 5

Sort all by:

Review & Compare Alternatives
We found alternative products that can save you up to  per item-unit.  To compare product details, select up to 3 alternatives below and click Compare Selected. To add items to your basket, enter a quantity and click Add to Basket.

Original Product:

Description Catalog Number Availability Unit Your Price Price Per Qty