A ___________ is a complete loop through which electricity can flow.
What is circuit
100
What is this electrical potential called?
What is static electricity
100
The opposition to the flow of an electric current, producing heat.
What is resistance
100
What is an electromagnet?
What is a magnet made from a current bearing coil of wire wrapped around an iron or steel core.
100
What is Ohm’s Law formula
What is Ohms = Volts / Amps or Resistance = Voltage / Current
200
An ______________ is the flow of electric charges.
What is electric current
200
Static electricity is.....
What is The build up of an electric charge on the surface of an object.
The charge builds up but does not flow.
Static electricity is potential energy. It does not move. It is stored.
200
True or False. The greater the resistance, the less current gets through.
What is True
200
a machine that changes mechanical energy to electrical energy
What is Generator
200
What is the current when a 100 w lamp is connected to 120 v?
What is 0.833333 amps
300
Electric currents are measured in what type of units ?
What is Amperes (Amps)
300
This occurs when there is a loss of static electricity...
What is static discharge
300
What is the measurement for resistance?
What is Ohms
300
the force of attraction or repulsion of a magnetic material due to the arrangement of its atoms, particularly its electrons.
What is Magnetism
300
What is the power when a voltage of 120 v drives a 5 amp current through a device?
What is 600 watts
400
Conductors are ....
What is materials that allow electricity to easily pass through them
Metals - copper wires are the most common type
Water
400
What 3 possible things can cause a static discharge?
What is Friction - rubbing
Conduction – direct contact
Induction – through an electrical field (not direct contact)
400
Difference b/t Volts and Amps
What is Amps measure how much and
Volts measure how hard
400
Groups of atoms join so that their magnetic fields are all going in the same direction. These areas are called?
What is Domains
400
A current of 11 amps @ 240 volts flows through an electric range. If it is used an average of 2 hours/day. Calculate the kwhr used for a month. (Make sure you find the wattage first).
What is 158.4 kwh
500
A type of circuit that has more than one path for current is called a
What is parallel circuit
500
What are the 2 types of currents?
What is Direct and alternating currents
500
What 4 Things Influence Resistance?
What is Thickness, length, temp., Material of wire
500
The needle of a compass always points toward the magnetic North pole. True or False
What is False
500
A clothes dryer in a home has a power of 4500 watts and runs on a special 220 volt household circuit. What is the resistance of the dryer? (Make sure you find the current first).