USP Electrical Circuit symbols

What is the path along which current moves in an electrical circuit?

• Light bulb

• A cell

• Connecting wires

• All of the above

What is required for an electric current to flow in a circuit?

• None of the above

• The circuit must be closed

• A source of electrical energy must be present

• The circuit must be open

An electrical circuit is

• the path

• along which

• moves.

• current

What does the symbol '+' represent in an electrical circuit diagram?

• Battery

• Lamp / Bulb

• Fixed resistors

• Variable resistor / Rheostat

What does the symbol '-' represent in an electrical circuit diagram?

What is the function of a fixed resistor in an electrical circuit?

• To provide electrical energy

• To measure the voltage

• To measure the current

• To control the flow of current

Draw the circuit symbol of a 'Lamp / Bulb'.

Draw the circuit symbol of a fixed resistor.

Which of the following is a source of electrical energy in a circuit?

• Ammeter

• Cell

• Fuse

• Voltmeter

What is the function of a variable resistor / rheostat in an electrical circuit?

• To provide electrical energy

• To measure the voltage

• To measure the current

• To control the flow of current