Vocab
The SI unit for charge
What is a Coulomb?
What is it when an electric current is created in a conductor by moving the conductor through a magnetic field?
Electromagnetic induction?
The rate at which energy is changed from one form to another
What is Power?
Direct current flows in one direction
What is True
Three basic features of a circuit
What is electrical device, source of energy, conducting wires
means charge cannot be created or destroyed
What is the Law of Conservation of charge?
A current that flows in only one direction
What is direct current?
Calculate the power of a light bulb using .2 amps of current 120V of voltage
What is 24 W?
Electromagnetic induction is when an electric current is created in a conductor by moving the conductor through a magnetic field
What is true?
The type of circuit that has a single pathway for electricity to travel.
What is a series circuit?
Allows electrons to flow freely
What is a conductor?
Current that reverses directions.
What is alternating current?
How do you calculate the energy an appliance uses?
What is energy=power x time?
An electric generator turns mechanical energy into chemical energy
What is False?
The type of circuit that has multiple paths to travel.
What is parallel circuit?
Another name for voltage
What is potential difference?
The current is called this when it is made by moving a conductor through a magnetic field
induced current?
A circuit has 4 A of current and 12 V of voltage what is the resistance?
3 ohms
A transformer is made up of one coil of wire and a copper penny
What is false?
What happens when one light bulbs goes out in a multiple light series circuit?
They all go out?
The statement that the current in a circuit is directly proportional to the voltage across the circuit and inversely proportional to the resistance.
What is Ohm's Law?
What is made from two coils of wire each wrapped around an iron core?
What is a transformer?
a 3 ohm resistor is in a circuit with 2 A of current, what is the voltage?
6 volts?
Batteries change chemical energy to electrical energy.
What is true?
The instrument that measures current is called, and the instrument that measures voltage is called.
What is ammeter and voltmeter?