 # Science 9 Electricity Review Ohm’s Law Circuits.

## Presentation on theme: "Science 9 Electricity Review Ohm’s Law Circuits."— Presentation transcript:

Science 9 Electricity Review

Ohm’s Law

Circuits

Series and Parallel Circuits

Power

Energy

500 400 300 200 100 Series and Parallel Circuits EnergyPowerCircuitsOhm’s Law

Ohm’s Law Ohm’s Law 100 Points

What is resistance? Ohm’s Law Ohm’s Law 100 Points

Ohm’s Law Ohm’s Law 200 Points The amount of charge that passes a point per second.

What is current? What is current? Ohm’s Law Ohm’s Law 200 Points

Ohm’s Law 300 Points A lamp with a resistance of 100 ohms and a current of 0.5 amperes going through it has this voltage.

What is 50 volts? Ohm’s Law Ohm’s Law 300 Points

Ohm’s Law Ohm’s Law 400 Points The missing amount in this circuit diagram is…

What is 20 ohms? Ohm’s Law Ohm’s Law 400 Points

Ohm’s Law Ohm’s Law 500 Points Find the current if 120 V is applied to a resistor with the colour-code of blue, green, red.

Ohm’s Law Ohm’s Law 500 Points What is 0.018 amperes?

Circuits Circuits 100 Points A circuit is made up of a conductor, load, switch, and this.

Circuits Circuits 100 Points What is a source?

Circuits Circuits 200 Points A device that transforms electrical energy into other forms of energy.

What is a load? Circuits Circuits 200 Points

Circuits Circuits 300 Points Conventional current suggests that electricity flows in this direction.

Circuits Circuits 300 Points What is from positive to negative?

Circuits Circuits 400 Points The symbols in this diagram represent these different components of the circuit.

What is a lamp, open switch, cell (battery), conductor, ammeter, and voltmeter? Circuits Circuits 400 Points

Circuits Circuits 500 Points One of these is not considered an electric load: light bulb, battery, resistor, buzzer

Circuits Circuits 500 Points What is a battery?

Series and Parallel Circuits Series and Parallel Circuits 100 Points This diagram is considered this type of circuit.

Series and Parallel Circuits Series and Parallel Circuits 100 Points What is a parallel circuit?

Series and Parallel Circuits Series and Parallel Circuits 200 Points The correct manner in which to place voltmeters and ammeters is shown in diagram…

What is Diagram 4? Series and Parallel Circuits Series and Parallel Circuits 200 Points

Series and Parallel Circuits Series and Parallel Circuits 300 Points V T = V 1 + V + V 3 V T = V 1 + V 2 + V 3 I T = I 1 = I 2 = I 3 represents this type of circuit.

Series and Parallel Circuits Series and Parallel Circuits 300 Points What is a series circuit?

Series and Parallel Circuits Series and Parallel Circuits 400 Points Two identical loads are connected to a battery in series. If one of the identical loads are taken away, the total resistance does this, while current will do this.

What is decreasing resistance and increasing current? Series and Parallel Circuits Series and Parallel Circuits 400 Points

Series and Parallel Circuits Series and Parallel Circuits 500 Points The current in the circuit below would be this, while the voltage would be…

What is 12 A and 6 V? Series and Parallel Circuits Series and Parallel Circuits 500 Points

The unit for power is this. Power Power 100 Points

What is watts? Power Power 100 Points

Power Power 200 Points The power of an IPod that draws 750 mA of current while operating on 6 V is this…

What is 4.5 W? Power Power 200 Points

Power Power 300 Points The power for the circuit below is…

What is 36 Watts? Power Power 300 Points

The current through a 0.15 kW bulb connected to a household plug-in is this. Power Power 400 Points

What is 1.25 A?

Power Power 500 Points The resistance of a resistor that uses 160 W of power using a normal household plug-in is this…

Power Power 500 Points What is 90 ohms?

Energy 100 Points A watt*second is also called this…

Energy 100 Points What is a joule?

Energy 200 Points A larger unit of energy is this.

What is a kilowatt*hour (kW*h)? Energy 200 Points

Energy 300 Points The energy consumption of a toaster that is rated at 500 W and takes 2.5 minutes to toast a bagel is this many joules.

Energy 300 Points What is 75,000 J?

Energy 400 Points The energy consumption of a TV that is on for 3 hours and uses 120 V and 15 A is this in kW*h…

What is 5.4 kW*h? Energy 400 Points

Energy 500 Points A 1400 W hair dryer is used for 15 minutes. The cost to use this hair dryer (if cost of electricity is 12 cents per kW*h) would be…

What is \$0.042? Energy 500 Points

The line of the graph below represents this. V I

The Answer Is… What is resistance?

CONGRATULATIONS!