Brainpop Electric Circuits

A circuit is...

• A way of routing electricity along a path

• When you measure how much an item weighs

What is the function of a power source in circuit?

• To cause motion of protons.

• To generate a steady supply of electrons.

• To deflect any static electricity.

What is the effect of increasing the voltage in a circuit?

• Current decreases

• Current increases

• Resistance increases

• Resistance decreases

How does a SWITCH work?

• The switch increases the amount of electrons flowing in the wires.

• The switch makes the electrons in a wire move faster.

• The switch opens or closes the circuit.

What is required for electric current to flow in a circuit?

• Open circuit

• Closed circuit

• Insulated circuit

• Short circuit

Which component is used to control the flow of current in a circuit?

• Resistor

• Capacitor

• Inductor

• Transformer

In a series circuit, how is the total resistance calculated?

• Sum of all resistances

• Product of all resistances

• Difference of all resistances

• Average of all resistances

When electrons move from one place to another you get...

• a solid to a liquid

• electricity

• evaporation

What is the role of a battery in an electric circuit?

• To increase resistance

• To provide voltage

• To decrease current

• To store charge

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

• Brightness increases

• Brightness decreases

• Brightness remains the same

• Bulbs will not light up