Free Professional Development
We use electric currents everyday to power electric devices, such as phones, computers, and calculators. Explore what an electrical current is, and how we measure current, voltage, and resistance in amps, volts, and ohms. You will also learn Ohm's Law which is used to calculate current, voltage, and resistance of simple electrical circuits.
29 Sophia partners guarantee credit transfer.
314 Institutions have accepted or given pre-approval for credit transfer.
* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 27 of Sophia’s online courses. Many different colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.
