Free Printable OhmsLawSeriesOnly

1.

What is current measured in?

a)

Ω (Ohms)

b)

V (Volts)

c)

A (Amps)

d)

W (Watts)

2.

What is resistance measured in?

a)

Ω (Ohms)

b)

V (Volts)

c)

A (Amps)

d)

W (Watts)

3.

What is Resistance?

a)

The flow of electrons

b)

Electric potential difference

c)

A battery

d)

The ability to reduce the flow of electrons

4.

What is the Voltage of a circuit that has a resistance of 5 Ω and a current of 2 A?

a)

25 V

b)

10 V

c)

2.5 V

d)

0.4 V

5.

The mathematical relationship among Voltage, Current, and Resistance

a)

Faraday's Law

b)

Tesla's Law

c)

Edison's Law

d)

Ohm's Law

6.

This circuit has a 24 volt battery and the resistor is 8 ohms. How many amps are running through the circuit?

a)

3 Amps

b)

192 Amps

c)

2 Amps

d)

4 Amps

7.

What size resistor would produce a 3 Amp current flow with a 12 Volt battery

a)

1 Ohm

b)

3 Ohms

c)

4 Ohms

d)

12 Ohms

8.

What voltage is needed to cause a 2A current flow through a 10Ω resistor?

a)

5V

b)

0.2V

c)

20V

d)

200V

9.

What unit is used to measure voltage?

a)

Ohms

b)

Omega

c)

Volts

d)

Amps

10.

What is voltage?

a)

the amount of push the electrical source supplies to the circuit

b)

how much a given device resists the flow of electric current

c)

flow of electric charge

d)

none of the above

11.

What is current?

a)

the amount of push the electrical source supplies to the circuit

b)

how much a given device resists the flow of electric current

c)

flow of electric charge

d)

none of the above

12.

If the battery produced 12.6 Volts what would be the current flow for a 6 Ohm resistor?

a)

2.1 Amps

b)

2.4 Amps

c)

1.71 Amps

d)

15 Amps

13.

How many Volts would we need to produce a current flow of 8 Amps through a 6 Ohm resistor

a)

12 volts

b)

24 volts

c)

1.3333

d)

48 volts

14.

Calculate the VOLTAGE through a load, if a resistance of 500 Ω that has a current of 1.4 A flowing through it.

a)

70 V

b)

357 V

c)

.0028 V

d)

700 V

15.

A 3-V battery sends a current of 0.10 A through a light bulb. What is the resistance of the filament of the bulb?

a)

.033 Ω

b)

30 Ω

c)

.3 Ω

d)

300 Ω

16.

A 10-V battery generates a current through a 5 Ω resistor. How much current does the battery generate?

a)

2 A

b)

50 A

c)

2.5A

d)

0.5

17.

What voltage is needed to cause a 2A current flow through a 10Ω resistor?

a)

5V

b)

0.2V

c)

20V

d)

200V

18.

What resistance is needed to cause a 50A current flow because of a 500V battery?

a)

10Ώ

b)

5Ώ

c)

2500Ώ

d)

550Ώ

19.

Which of the following represents the potential difference between two points, measured in volts?

a)

voltage

b)

current

c)

electricity

d)

resistance

20.

If an electric ceramic brush has a current of 0.3 amps and a voltage of 120 volts, what is the resistance?

a)

18Ω

b)

36Ω

c)

200Ω

d)

400Ω

21.

What is the name for the pressure that forces electrons to flow through a circuit?

a)

Voltage

b)

Capacitance

c)

Resistance

d)

Current

22.

What 'flows' in a wire?

a)

Protons

b)

Neutrons

c)

Atoms

d)

Electrons

23.

What is the voltage needed to run a 9.2 ohm toaster on a 5.5 amps?

a)

9.2 V

b)

5.06 V

c)

34.14 V

d)

50.6 V

24.

A material in which electrons are not able to move easily

a)

Circuit

b)

Insulator

c)

Resistance

d)

Conductor

25.

What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?

a)

1/3 ohms

b)

3 ohms

c)

27 ohms

d)

9 ohms

26.

What is this symbol?

a)

resistor

b)

switch

c)

battery

d)

bulb

27.

Which is not a unit we used when learning about Ohm's Law?

a)

ohm

b)

Amp

c)

watts

d)

volts

28.

In an electrical circuit, if the resistance is 500 ohms and the voltage is 6 V, what is the current?

a)

3 kA

b)

83.3 A

c)

0.012 A

d)

506 A

29.

What is 9 mA equal to in A?

a)

900 A

b)

0.09 A

c)

0.009 A

d)

90 A

30.

In an electrical circuit, if the current is 2 A and the resistance is 20 ohms, what is the voltage?

a)

40 V

b)

400 V

c)

10 V

d)

0.1 V

31.

Which of the following circuit diagrams is a parallel circuit?

a)

b)

c)

d)

32.

Which of the following circuit diagrams would short circuit due to lack of resistance?

a)

b)

c)

d)

33.

The top circuit represents a ______________ circuit.

a)

Series

b)

Parallel

34.

What is the amount of current in this circuit?

a)

36 amps

b)

4 amps

c)

4 milliamps

d)

36 watts

35.

If a computer has 10.0A of current and 11Ω of resistance, what is its voltage?

a)

0.9V

b)

1.1V

c)

55V

d)

110V

36.

If one bulb goes out in a series circuit, the remaining bulbs...

a)

also go out

b)

get brighter

c)

get dimmer

d)

explode, leaving shards of glass everywhere

37.

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

a)

closed circuit

b)

series circuit

c)

parallel circuit

d)

open circuit

38.

what is this symbol for?

a)

light bulb

b)

switch

c)

battery

d)

resistor

39.

What is the Total Resistance in this circuit?

a)

3 ohms

b)

30 ohms

c)

30 amps

d)

90 volts

40.

What stays the same throughout this whole circuit?

a)

Resistance

b)

Voltage

c)

Parallel

d)

Current

41.

In the model, what does the lightbulb represent?

a)

electricity

b)

current

c)

voltage

d)

resistance

42.

Calculate the resistance for the circuit shown.

a)

$R\ =\ 0.17\ Ω$

b)

$R\ =\ 6\ Ω$

c)

$R\ =\ 35\ Ω$

d)

$R\ =\ 150\ Ω$

43.

Calculate the current for the circuit shown.

a)

$I\ =\ 0.05\ A$

b)

$I\ =\ 20\ A$

c)

$I\ =\ 105\ A$

d)

$I\ =\ 500\ A$

44.

Calculate the voltage for the circuit shown.

a)

$V\ =\ 0.8\ v$

b)

$V\ =\ 1.25\ v$

c)

$V\ =\ 9\ v$

d)

$V\ =\ 20\ v$

45.

Safety device for electrical device

a)

Circuit

b)

Digital

c)

Fuses

46.

What circuit element is this?

a)

Diode (Non light emitting)

b)

Lamp

c)

LED

d)

Switch

47.

An electrical connection to the earth.

a)

Electric power

b)

Hot

c)

Neutral

d)

Ground

48.

What does an ammeter measure?

a)

Voltage

b)

Reisistance

c)

Coninuity

d)

Current

49.

What is this symbol for?

a)

light bulb

b)

switch

c)

battery

d)

resistor

50.

What does L.E.D stand for?

a)

Light Emitting Diode

b)

Long Everlasting Dance

c)

Let's Eat Doritos

d)

Light Emitting Device

51.

a)

Motor

b)

Mouse

c)

Ground

d)

Fuse

52.

What is the name of this component?

a)

fuse

b)

cell

c)

bell

d)

lamp

53.

This symbol represents a ..............

a)

valve

b)

voltmeter

c)

Voltage

d)

Vacuum

54.

identify the following symbol

a)

push button contacts

b)

chassis ground

c)

caution symbol

d)

earth ground

55.

What is the resistance of this circuit?

a)

4.5 V / 2.25 A

b)

4.5 V x 2.25 A

c)

4-2.25

d)

equal to videos of your past on Youtube including your friends and inflatable and superhero costumes

56.

What is the voltage of this circuit?

a)

25 x 120 volts

b)

25/1000 x 120 volts

c)

25+120 volts

d)

25*1000 x 120 volts

57.

What is the resistance of this circuit?

a)

120

b)

25/1000

c)

25/1000 x 120

d)

25*1000 x 120 volts

58.

What is the resistance of this circuit?

a)

3 ohms

b)

0.5 A

c)

1.5 volts

d)

copper

59.

What is the resistance of R1?

a)

4.5v / 0.75 A = 6

6-2.4 = 3.6 ohms

b)

4.5v x 0.75 A = 3.375

3.375-2.4 = 0.975 ohms

c)

4.5v / 2.4 A = 1.875

1.875-2.4 = 0.525 ohms

d)

4.5 + 2.4 = 6.7

6.7/0.75 = 8.93 ohms

60.

What is the voltage in this circuit?

a)

43+82 = 125

125/72 = 1.70 Volts

b)

43+82= 125

125 x 72/1000 = 9 volts

c)

43+82= 125

125 /( 72x1000) = 0.002 volts

d)

43+72 = 115

115/ 82 = 1.40 Volts

61.

What is the resistance of R1?

a)

9 / (15/1000) = 600

600-130 = 470 volts

b)

9/15 = 0.6

0.6 x 1000=600 ohms

c)

9 / (15/1000) = 600

600-130 = 470 ohms

d)

9 x 130 = 1170

1170/15 = 78 ohms

62.

What is the resistance of R1?

a)

1.5 / (0.5x 1000) = 0.003 ohms

0.003+2 = 2.003 ohms

b)

1.5 v x 0.5 A = 0.75 ohms

0.75+ 2 = 2.75 ohms

c)

1.5 v / 0.5 A = 3 ohms

3 - 2 = 1 ohm

d)

2 ohms

63.

What is the voltage in this circuit?

a)

82+43 = 125

125 x 24 = 3000 volts

b)

82+43 = 125

125 x 24/1000 = 3 volts

c)

24+ 82 = 106

106/43 = 2.47 volts

d)

82-43 = 39

39/24 = 1.625 volts

64.

What is the current in this circuit?

a)

82+43 = 125

125 x 24 = 3000 amps

b)

2400 amps

c)

43 + 82 = 125 amps

d)

0.024 amps

OhmsLawSeriesOnly

Total questions: 64

Worksheet time: 2hrs 8mins

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