Chapter 9.9 Voltage

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Chapter 9.9 Voltage

What is voltage(potential difference)

Voltage is the force that pushes charges (electrones) to move around a circuit. 

In other words, it is the amount of energy given to the components in a circuit from the electrons passing through the wire. 

Measuring voltage

Voltage is measured in volts using voltmeter (V)

Voltmetes are connected in parallel not in series like ammeters

Voltage in serie and parallel  circuits 

The voltage is divided between the two lamps. In series circuit.

The voltage remains the same. Each lamp gets the same amount of voltage if the lamps are equal.

phet.colorado.edu

phet.colorado.edu

What are the readings on ammeters A2 and A3

 if the reading on  A1= 0,5 A?

a. 1A    2. 0.5 A    3. 0.25 A

What are the readings on ammeters A2 and A3

 if the reading on  A1= 0,5 A?

a. 1A    2. 0.5 A    3. 0.25 A

What is the reading on voltmeter v1

 if the reading on v2 =9v 

 and v3 = 3 v?

What is the reading on voltmeter v1

if the reading on v2 =9v and v3 = 3 volt?

12 v

What are the readings on v2 and v3 

 if the reading on v1 =12 v?

What are the readings on v2 and v3 

 if the reading on v1 =12 v?

v2 = 12 and v3 =12

Which statement describes current in a parallel circuit?

a.It splits up through each component

b.It splits across the branches

c.It stays the same throughout

What happens to the voltage in a parallel circuit?

a.It splits up across each component

b.It splits across the branches

c.It stays the same throughout

Which statement describes current in a parallel circuit?

a.It splits up through each component

b.It splits across the branches

c.It stays the same throughout

What happens to the voltage in a parallel circuit?

a.It splits up across each component

b.It splits across the branches

c.It stays the same throughout

1.Which statement describes current in a series circuit?

It stays the same throughout

It splits up across each component

It increases

2.Which statement describes voltage in a series circuit?

It stays the same throughout

It splits up across each component

It increases

1.Which statement describes current in a series circuit?

It stays the same throughout

It splits up across each component

It increases

2.Which statement describes voltage in a series circuit?

It stays the same throughout

It splits up across each component

It increases

What type of circuit is this?