Electric Circuits Quiz

What is the current reading at any point in a series circuit?

• 0.5A

• 0.3A

• 0.6A

• 1.0A

In a parallel circuit, what happens to the current at junctions?

• The current remains the same.

• The current splits up.

• The current stops.

• The current doubles.

What is the reading of A2 in the given parallel circuit example?

• 0.6A

• 0.5A

• 0.3A

• 0.4A

What happens to the current in a circuit when resistance is increased?

• The current increases.

• The current decreases.

• The current remains the same.

• The current fluctuates.

Which materials are mentioned as having low resistance?

• Iron and silver

• Copper and gold

• Aluminum and zinc

• Lead and tin

What effect does a thin and longer wire have on resistance in a circuit?

• It decreases the resistance.

• It increases the resistance.

• It has no effect on the resistance.

• It makes the resistance fluctuate.

What is a variable resistor commonly used for?

• To increase voltage

• To adjust light brightness

• To store electrical energy

• To convert AC to DC

What happens to the resistance of a Light Dependent Resistor (LDR) when light increases?

• Resistance increases

• Resistance decreases

• Resistance remains the same

• Resistance fluctuates

What is the primary function of an LED (Light Emitting Diode)?

• To allow current to flow in both directions

• To allow current to flow in one direction

• To store electrical energy

• To increase electrical resistance

What happens to a fuse when the current gets too high?

• It allows more current to flow

• It emits light

• The wire breaks

• It stores the excess current