Electrical Circuit

An electrical circuit is a:

• path for electricity to flow

• device to store electrical energy

• source of electrical power

• type of electrical measurement

What does this show about electricity?

What is the symbol for a Switch in electrical diagrams?

What is the symbol for a Battery in electrical diagrams?

What is the symbol for a Lamp in electrical diagrams?

Explain the flow of electricity in a circuit as shown in the diagram.

• Electricity flows from the positive terminal to the negative terminal through the circuit.

• Electricity flows from the negative terminal to the positive terminal through the circuit.

• Electricity flows in both directions simultaneously.

• Electricity does not flow in a circuit.

Fill in the blank: The unit of Voltage in an electrical circuit is _______.

• Volts (V)

• Amperes (A)

• Ohms (Ω)

• Watts (W)

Fill in the blank: The unit of Current in an electrical circuit is _______.

• Amps (I)

• Volts (V)

• Ohms (Ω)

• Watts (W)

Fill in the blank: The unit of Resistance in an electrical circuit is _______.

• Ohms (Ω)

• Volts (V)

• Amperes (A)

• Watts (W)

What is the definition of current?

• The flow of electric charge

• The resistance to electric flow

• The potential difference between two points

• The power consumed by a circuit