Series Circuits Quiz

What is the unit of current?

• Ohms

• Amps

• Volts

• Watts

What happens to the brightness of bulbs in a series circuit when more bulbs are added?

• They become brighter

• They stay the same brightness

• They flicker

• They become dimmer

What happens if a bulb breaks in a series circuit?

• The circuit stops working

• The circuit becomes brighter

• All other bulbs go out

• All other bulbs get brighter

Where should an ammeter be placed in a series circuit to measure current?

• At the beginning of the circuit

• In parallel with components

• In series with components

• At the end of the circuit

What happens to the total resistance in a series circuit when more components are added?

• Total resistance decreases

• Total resistance stays the same

• Total resistance fluctuates

• Total resistance increases

In a series circuit, where is the potential difference shared?

• Only across the last component

• Only across the first component

• Unequally among all components

• Equally among all components

What is the purpose of switches in a series circuit?

• To measure potential difference

• To turn components on and off

• To decrease current

• To increase resistance

What happens to the current in a series circuit if a component is disconnected?

• Current decreases

• Current increases

• Current becomes negative

• Current stays the same

How does the potential difference divide in a series circuit with different resistances?

• Equally among all components

• Only across the first component

• Only across the last component

• Unequally among all components

What happens to the current in a series circuit when more resistors are added?

• Current decreases

• Current becomes negative

• Current stays the same

• Current increases