Electrical Equations

Front

Voltage is...

Back

Pressure

Front

Calculate the resistance value of the electrical conductor if it is connected to a voltage of 12 V and an electric current of 0.3 A passes through it.

Back

40 Ohms

Front

What is the correct equation for electrical power? (P=Watts)

Back

P = I x V

Front

A 24 V series circuit with a 3 Ohm Bulb, 3 Ohm Fan, and a 6 Ohm Solenoid have a total Current Flow of What?

Back

2 A

Front

What is the correct equation linking voltage, current, and resistance?

Back

V = IR

Front

Define Current in electrical terms.

Back

The flow of electric charge, measured in Amperes (A).

Front

What is Resistance?

Back

The opposition to the flow of electric current, measured in Ohms (Ω).

Front

What is the unit of Voltage?

Back

Volts (V).

Front

What does Ohm's Law state?

Back

The current through a conductor between two points is directly proportional to the voltage across the two points.

Front

Calculate the power consumed by a device that uses 2 A of current at 12 V.

Back

24 Watts (P = I x V = 2 A x 12 V).