Ohm's Law IPC Review

Math

100

V=?

R=17 Ω

I=4 A

68 V

200

V=56 V

R=7 Ω

I=?

8 A

300

V=38 V

R=?

I=14 A

2.71 Ω

400

V=7 V

R=6 Ω

I=?

1.17 A

500

V=48 V

R=?

I=6 A

8 Ω

Units

100

What is the unit of voltage?

Volts [V]

200

What is the unit of current?

Ampere or Amp [A]

300

What is the unit of resistance?

Ohm [Ω]

400

Compared to the water system in our home, voltage is like

water pressure.

500

Compared to the water system in our home, current is like

the flow of water through the sink when it is turned on.

Definitions

100

A path for electrical flow.

Circuit

200

The rate of flow of electric charge.

Current

300

A scientist who discovered the relationship between voltage, current, and resistance.

Georg Ohm

400

The opposition to current flow.

Resistance

500

The potential difference between two points.

Voltage

Word 1

100

If my computer is running at a maximum 200V and has a resistance of 40 Ω, what is its current?

5 A

200

My toaster has a voltage of 609 V and a current of 43 A, what is its resistance?

My toaster has a resistance of 14.16 Ω.

300

My house has a resistance of 93 Ω and an amperage of 48 A, what is its voltage?

Its voltage is 4464 V.

400

A bell has a current of 1000 A and a resistance of 3 Ω what is its voltage?

3000 V

500

Your dryer runs on 240 V. If it draws 28 amps, how much resistance does it have?

8.57 Ω

Word 2

100

A circuit has a current of 2 A and a resistance of 5 Ω. What is the voltage?

10 V

200

If a circuit has a voltage of 24 V and a current of 6 A, what is the resistance?

4 Ω

300

What is the current in a circuit with a voltage of 15 V and a resistance of 5 Ω?

3 A

400

If a circuit has a current of 4 A and a resistance of 8 Ω, what is the voltage?

32 V

500

What is the resistance in a circuit with a voltage of 30 V and a current of 5 A?

6 Ω