# Electricity and Magnets

### 28 terms by jturnera

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### Rate of flow of positive charge through a conductor

What is electric current?

### Electrical Potential Difference

What is the first condition for continuous current to flow?

### Complete Circuit

What is the second condition for continuous current to flow

### Volts

What is Electrical Potential Difference measured in?

### The work done in the source on each coulomb of charge to give them energy

What does voltage measure?

### Resistance

What determines how much current will flow through each part of a circuit?

### Opposition to flow of charge

What is resistance?

### V=IR

What is Ohm's Law?

### I

In Ohm's Law, what is the dependent variable?

### Increase voltage, reduce resistance

What are two ways to increase current through a circuit?

### Redox Reactions

What causes electrochemistry?

### Batteries

What is electrochemistry primarily used in?

### Electrochemistry, Electromagnetism, Photoelectricity, Thermoelectricity, Piezoelectricity

What are the five sources of voltage?

### Running wires around magnets

How does electromagnetism work?

### Audio Devices

What is electromagnetism primarily used in?

### Cameras and Lights

What is photoelectricity primarily used in?

### Thermometers and Coolers

What is thermoelectricity primarily used in?

### Microphones and Printers

What is piezoelectricity primarily used in?

In a series, what is the voltage?

### The same

In a series, what is the current?

In a series, what is the resistance?

### Divide the voltage of the source by the Resistance of the circuit

How do you find the current furnished by the source?

In parallel, what is the current?

### The same

In parallel, what is the voltage?

In parallel, what is the resistance?

### The largest

In a parallel circuit, which lightbulb is the brightest?

### The smallest

In a series circuit, which lightbulb is the brightest?

### Power

What variable determines the brightness of a lightbulb?

Example: