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1. Who discovered electricity?
Benjamin Franklin
What is an electric force?
Is the force between charged objects.
__________ is the continuous flow of electricity charges through a material.
Electric current
What is the law that says the resistance a cirrus is equal to voltage divided by current?
Ohm's law
What is the rate which energy is transformed from one form to another?
It is power
Electricity provides power on earth and in space.
True or False?
True
An electric field is a region around a charged object where the object's electric force is exerted on to another charged object.True or False
True
An electric current is an incomplete path that charges can't flow through. True or False
False
What is when all parts of an electric circuit are connected at one after another along one path?
It is a series cuircuit
_______ is a connection that allows currents to take the path of least resistance?
A short circuit
What is a voltage?
An electromotive force(EMF)
What is the build up of charges on a object.
static electricity.
A material through which charges can flow easily is called ______.
A conductor
In a parallel circuit, the same parts of the circuit are on the same branches .True or False.
False
What is it called when any circuit connected to earth?
Grounded
A lightening bolt contains 5 million volts.
True or False
False, it contains 30 million volts
What is the law the states charges are neither created or destroyed?
Ohm's law
________ are materials, such as rubber, that don't allow charges to flow.
Insulators
What happens to the resistance or a parallel circuit when you add a branch?
The overall resistance decreases.
What is Devices that melt if they get to hot?
fuses
What are some power sources other than electricity?
Solar power, Wind Turbine, Underground thermal heat, or Biomass fuels.
Static discharge is the gaining of static electricity as electric charges transfer from one object form another. .True or False.
False.
What is the measure of how difficult it is for charges to flow through an object?
It is resistance
What is a disadvantaged of a series circuit?
The light bulb in a circuit become dimmer as more are added.
Switches that will bend away from circuits as they heat up are _________
Circuit breakers