Open vs Closed Circuit

Which switch or switches must be closed to make the lamps light?

• only switch 1

• only switch 2

• switches 1 and 2

Is this an open circuit or a closed circuit?

• open

• closed

Is this an open circuit or closed circuit?

• open

• closed

Look at the diagram. Why did the bulb not light up?

• The bulb was fused.

• The battery had not enough electric current to light up the bulb.

• The switch was opened and prevented electric current from flowing through the circuit.

Tags

NGSS.4-PS3-2

The picture shows a open or closed circuit?

• Open

• Closed

The picture shows a open or closed circuit?

• Open

• Closed

Is this circuit a closed or open circuit?

• Closed Circuit

• Open Circuit

Is this circuit a closed or open circuit?

• Closed Circuit

• Open Circuit