34.4 Electric Resistance This is how well a ________ works. __________ is ability of a conductor to allow a charge to go through Also thickness or length influence _________
34.5 Ohm’s Law ____ is a unit for resistance (Ω) _______ is a unit for current (AMP)
34.6 Ohm’s Law and Electric Shock Your ability to get shocked depends on your condition to a certain extent.
Electrocuted! People die from 120V charges every year Electricity disrupts normal nerve function Also it damages tissues
Electric Shock cont’ How do birds stand on wires? What is the third prong on a plug for?
34.11 Electric Power The rate that electrical energy is converted to another form of energy. Electric power= ______ X _____ Or 1 Watt=1 amp X 1 volt
Types of electric current DC ____________ - current travels in ____________. Voltage source is a battery AC _______________ – current that repeatedly ______________, twice each cycle. Voltage source is a generator