SMART THINKER

What is the flow of electric charge called?

• Electric current

• Electric resistance

• Electric field

• Electric voltage

What is the unit of electric current?

• watt

• ohm

• ampere

• volt

What does a resistor do in a circuit?

• A resistor stores electrical energy for later use.

• A resistor limits current and controls voltage in a circuit.

• A resistor acts as a power source in a circuit.

• A resistor increases current flow in a circuit.

What is the purpose of a battery in an electrical circuit?

• The purpose of a battery in an electrical circuit is to supply electrical energy.

• To regulate the flow of current in the circuit.

• To convert electrical energy into mechanical energy.

• To store electrical energy for later use.

What is the difference between series and parallel circuits?

• Series circuits are more efficient than parallel circuits.

• Series circuits have a single path for current, while parallel circuits have multiple paths.

• Parallel circuits have a single path for current.

• Series circuits can have multiple paths for current.

What is the unit of voltage?

• Watt

• Joule

• Volt

• Ampere

Which component is used to store electrical energy?

• Transformer

• Inductor

• Capacitor

• Resistor

What does a switch do in an electrical circuit?

• A switch increases the voltage in a circuit.

• A switch stores electrical energy for later use.

• A switch converts AC to DC in a circuit.

• A switch controls the flow of electricity in a circuit.

What is an LED?

• A LED is a type of battery.

• An LED is a Light Emitting Device that requires no power.

• An LED is a type of incandescent bulb.

• An LED is a Light Emitting Diode that emits light when an electric current flows through it.

What does a circuit diagram represent?

• A circuit diagram represents the electrical connections and components in a circuit.

• A circuit diagram represents the steps in a cooking recipe.

• A circuit diagram illustrates the flow of water in pipes.

• A circuit diagram shows the physical layout of a building.