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Circuits, Volts, Amps

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.
A fifth grade class constructed this circuit.  Which of these objects most likely made the light glow when connected to points X and Y?
a)
plastic straw
b)
cotton string
c)
aluminum foil
d)
rubber eraser
2.
this is the symbol for a _____?
a)
switch
b)
light 
c)
battery
d)
wires
3.
what is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
4.

A ____ circuit has more than one path available for electrons to flow through, so if one portion of the circuit is not functioning, the whole circuit does not shut down

a)

series

b)

parallel

c)

incomplete

d)

complete

5.

A ____ circuit has only one path for electrons to flow and therefore, when one portion of the circuit is disrupted, the whole circuit shuts down.

a)

series

b)

complete

c)

incomplete

d)

parallel

6.

What is the purpose of an ammeter in a circuit?

a)

To measure resistance.

b)

To measure power.

c)

To measure electric current.

d)

To measure voltage.

7.

How is an ammeter connected in a series circuit?

a)

In series

b)

Not connected at all

c)

In parallel

d)

In a loop

8.

What is the purpose of a voltmeter in a circuit?

a)

To measure temperature

b)

To measure current flow

c)

To measure voltage or potential difference

d)

To measure resistance

9.

How is a voltmeter connected in a parallel circuit?

a)

series

b)

perpendicular

c)

diagonal

d)

parallel

10.

What is the unit of measurement for current?

a)

D

b)

A

c)

C

d)

B

11.

What is the unit of measurement for voltage?

a)

amps

b)

ohms

c)

watts

d)

volts

12.

All the lamps in this circuit have the same resistance. What is the reading of voltmeter V1?

a)

1.0V

b)

2.0V

c)

3.0V

13.

All the lamps in this circuit have the same resistance. What are the readings of ammeters A1 and A2?

a)

A1 = 0.5A A2 = 1.0A

b)

A1 = 1.0A and A2 = 1.5A

c)

A1 = 0.5A and A2 = 0.5A

14.

All the lamps in this circuit have the same resistance. What are the readings of ammeters A1 and A3?

a)

A1 = 3.7A and A3 = 3.7A

b)

A1 = 3.7A and A3 = 7.4A

c)

A1 = 7.4A and A3 = 3.7A

15.

All the lamps in this circuit have the same resistance. What are the readings of ammeters A2 and A3?

a)

A2 = 3.0A and A3 = 3.0A

b)

A2 = 1.5A and A3 = 1.5A

c)

A2 = 6.0A and A3 = 3.0A

16.

All the lamps in this circuit have the same resistance. What are the readings of ammeters A1 and A2?

a)

A1 = 4A and A2 = 2A

b)

A1 = 2A and A2 = 2A

c)

A1 = 2A and A2 = 4A

17.

All the lamps in this circuit have the same resistance. What are the readings of ammeters A1 and A3?

a)

A1 = 2.5A and A3 = 2.5A

b)

A1 = 5A and A3 = 2.5A

c)

A1 = 5A and A3 = 7.5A

18.

All the lamps in this circuit have the same resistance. What are the readings of voltmeters V2 and V3?

a)

V2 = 3.0V and V3 = 1.5V

b)

V2 = 1.5V and V3 = 3.0V

c)

V2 = 1.5V and V3 = 1.5V

19.

All the lamps in this circuit have the same resistance. What are the readings of voltmeters V1 and V2?

a)

V1 = 2.0V and V2 = 2.0V

b)

V1 = 4.0V and V2 = 2.0V

c)

V1 = 2.0V and V2 = 4.0V

20.

All the lamps in this circuit have the same resistance. What are the readings of voltmeters V1 and V3?

a)

V1 = 2.0V and V3 = 1.0V

b)

V1 = 2.0V and V3 = 2.0V

c)

V1 = 1.0V and V3 = 1.0V