The unit used to measure electric current
Ampere
. A material that conducts electricity
Conductor
The property of a component that opposes the flow of electric current
Resistance /Resistor
A dipole consists of --------,they are ----- and ----
2 poles , North and South
A device that changes mechanical energy into electrical energy
Generator
Tall buildings are protected from lightning using
LPS /Metal rods on roofs
This is the object that closes and opens the current in a circuit
What is a switch?
. A circuit that has only one path for electricity to flow through
Series Circuits
The region around a magnet where its magnetic force can be felt
Magnetic Field
Device that converts electrical energy into mechanical energy
Electrical Motor
Flow of Electrons is called
Electricity
A material that does not conduct electricity
Insulator
---------- has Two or more paths for the electrons to follow
Paralle Circuits
Like poles ----------- and Unlike poles ----------
Repell , Attract
A type of magnet created by an electric current in a wire
Electromagnet
The same number of positive particles as negative particles
What is neutral ?
How much resistance does a circuit have with 72V and 6A of current?
12 Ohms
. If one loop of a parallel circuit is interrupted, current _______ still flow through the other loop.
Can
Largest magnet in our real world
Earth
The amount of field strength increase as you --------- the number of loops in an electromagnet?
Increase
These are the two ways an object can be charged
Conduction- Induction
This is the SI unit of electric current.
What is V or voltage
•A 15 ohm, 285 ohm, and 150 ohm resistors are connected in series. Calculate the total resistance•A 10 ohm, 20 ohm, and 100 ohm resistors are connected in series. Calculate the total resistance
450 ohms
Name the metals used to make magnets
Nickle-Iron-Cobalt
State the relationship between voltage and field strength in an electromagnet?
Direct relation