Electricity Flashcards
What are the two types of current?
Direct current and Alternating current
What is direct current?
current where electrons flow in one direction
What is an alternating current?
electrons in a current move in one direction, then change in the opposite direction
What is voltage in a current? What is the unit for voltage?
the speed of the electrons flowing in the current
What is current? What is the unit for current?
number of electrons flowing, amps
What is power on a currrent? What is the unit for power?
the amount of electrical energy is passed through the current per unit of time, Watts
What is the formula for power?
Current X Voltage = Power
What is resistance in a current? What is the unit for resistance?
the measure of the slowing down of electricity, Ohms
