KS3 Science - Circuits

What is a characteristic of a series circuit?

• The current is different at each point in the circuit.

• The current is the same at every point in the circuit.

• The voltage is the same across each component.

• Each component has its own separate path.

In a parallel circuit, how does the voltage across each component compare?

• The voltage is different across each component.

• The voltage is the same across each component.

• The voltage is zero across each component.

• The voltage is half of the total voltage.

What is the unit of electric current?

• Volt

• Ohm

• Ampere

• Watt

• 2 Amperes

• 3 Amperes

• 4 Amperes

• 6 Amperes

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

• It decreases.

• It stays the same.

• It increases.

• It becomes zero.

Which of the following is true about static electricity?

• It is caused by the flow of electrons in a circuit.

• It is the result of an imbalance of charges on a surface.

• It only occurs in metals.

• It requires a complete circuit to exist.

Which of the following is the correct formula for Ohm's Law?

What is the unit of resistance?

• Volt

• Ohm

• Ampere

• Joule

If a light bulb in a series circuit burns out, what happens to the rest of the circuit?

• The rest of the circuit continues to work.

• The rest of the circuit stops working.

• The voltage increases across the remaining components.

• The current increases in the remaining components.

Which of the following is true about the voltage in a series circuit?

• The voltage is the same across each component.

• The voltage is half of the total voltage.

• The voltage is different across each component.

• The voltage is zero across each component.