Four unequal resistors are connected in series with each other. Which one of the following statements is correct about this combination?

The equivalent resistance is more than the largest resistance.

The equivalent resistance is equal to that of any one of the resistors.

The equivalent resistance is equal to average of the four resistances.

The equivalent resistance is less than that of the smallest resistor.

The equivalent resistance is less than that of the largest resistor.

What happens when you add a second bulb to a series circuit?

Both bulbs will be half as bright because the voltage is divided by two now

The second bulb will be as bright as the first because they both get full power

The circuit will no longer work

What is the definition of current?

Force creted by the buildup of charge

What is the definition of voltage?

Force created by the buildup of charge

In order for a circuit to work you need to have

A voltage source and a complete pathway with no breaks in the circuit

A complete pathway with no breaks in the circuit

Why is a bulb brighter when it is powered by two batteries rather than one?

Because the flow of electricity in the circuit is greater

Because the flow of electricity in the circuit is less

Because the flow of electricity in the circuit is the same

Because the flow of electricity will go backward

a measure of the difference in electrical energy between two parts of a circuit.

a measure of how much electric charge flows through a circuit.

a measure of the power within a circuit.

a measure of the resistance to electron flow in a circuit

More voltage means more current

More voltage means more resistance

1 Amp of current is equal to

1 coulomb of charge passing a point every second

The potential difference between both sides of the battery

1 electron passing a point every second

The power company bills you by

The amount of electric energy you use

The amount of electric current you use

The amount of electric power you use

The power of an appliance is...

the amount of energy transferred per second

the amount of voltage going through it

the amount of charge that passes through per second

Combined Electric Circuit

Authored by Charles Martinez

Physics

11th Grade

NGSS covered

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

The picture shows an electrical circuit. This circuit is a series circuit because:

It has 3 light bulbs.

The same current flows through all three light bulbs.

It uses a single battery.

The electrical current has more than one path to flow through

In a parallel circuit if one light bulb goes OUT; then they ALL go out. TRUE OR FALSE?

TRUE

FALSE

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which best describes a simple series circuit?

Electricity flows along one pathway.

The flow of electricity comes from the switch.

Electricity flows along many pathways.

The flow of electricity comes from the light bulb.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

This circuit has more than one loop. When one light goes out, the others stay on.

closed circuit

series circuit

parallel circuit

open circuit

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What kind of circuit is this?

series

parallel

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A correct statement of Ohm’s Law is:

I= V R

V ∝ I

V = IR

both b and c

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The equivalent resistance in this circuit is

100 ohms

450 ohms

400 ohms

30 ohms

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Combined Electric Circuit

The picture shows an electrical circuit. This circuit is a series circuit because:

In a parallel circuit if one light bulb goes OUT; then they ALL go out. TRUE OR FALSE?

Which best describes a simple series circuit?

This circuit has more than one loop. When one light goes out, the others stay on.

What kind of circuit is this?

A correct statement of Ohm’s Law is:

The equivalent resistance in this circuit is

The current going through the 90 ohm resistor is

What is the unit of Current?

What is the unit of voltage?

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