# Science Electricity

Flashcards by CallToMuster, updated more than 1 year ago
 Created by CallToMuster almost 6 years ago
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### Description

flashcards for science 7

## Resource summary

 Question Answer series circuit a circuit that has one path parallel circuit a circuit with multiple paths fuse a device that contains a thin strip of metal that will melt if there is too much current through it power the rate at which energy is transferred from one form to another ammeter a device that measure current electrolyte a substance that conducts electric current in an electrochemical cell induction the movement of electrons to one part of an object by the electric field of another object conduction the transfer of electrons from a charged object to another object by direct contact voltage the difference in electric potential between two places Static is transferred by... conduction induction friction friction the transfer of electrons through rubbing What are the four things that affect resistance? 1. The material the wire is made from. 2. Length (the longer the wire, the higher the resistance) 3. Diameter (thicker=more resistance) 4. Temperature (temperature decreases and resistance decreases) electrodes the metal rods in the battery (two different types of metals, so one will react faster and differently than the other) What were the components of the first battery? layers of zinc, paper soaked in salt water, and silver short circuit a connection that allows the current to take the path of least resistance electrically grounded A circuit is electrically grounded when charges are able to flow directly from the circuit into Earth. What unit is resistance measured in? ohms (insert omega symbol here) What is the equation for finding the amount of power? Power = Voltage x Current P = V x I What is the equation for finding the amount of watts? Watts = Volts x Amps What are electric current's dangers? short circuits electric shocks ungrounded wires What is energy's equation? Energy = Power x Time

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