Silver Ohm's law desk clock with your choice of AC Ohm's law Formulas (Z - Impedance formuals) or DC (R - Resistance) Ohms law formulas.. You're looking at our  "J.J. Thomson" swivel desktop clock with AC Ohms law formulas in a silver finish, at the top....our DC on the bottom.. You'll enjoy years of compliments and conversation with this Ohms law desk clock - it really does command attention!  Dimensions 5.25" x 4.75"x 1.5" Sweep seconds hand, battery included.  30 day return policy, one year guarrantee.  Our unique Ohms law clock design incorporates Ohm's Law, Joule's Power Formulas and our exclusive colorful resistor band chart...see our TechNotes page on how to read the chart. 

Product ships within one or two days of receiving order!

Order our other silver desk clock with ohms law formulas for resistance DC -- that is the clock on the bottom. On Sale too! Select your clock by using the drop down field.