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DC Circuit Fundamentals - MP 2 Exam Review

Total questions: 74

Worksheet time: 52mins

Name
Class
Date
1.

What does Ohm's law state?

a)

Current is directly proportional to resistance and inversely proportional to voltage

b)

Voltage is directly proportional to resistance and inversely proportional to current

c)

Current is directly proportional to voltage and inversely proportional to resistance

d)

Voltage is directly proportional to current and inversely proportional to resistance

2.

What happens to the current in a series circuit if the voltage is increased?

a)

The current will decrease

b)

The current will increase

c)

The current will remain the same

d)

The current will fluctuate

3.

What happens to the current in a series circuit if the resistance is increased?

a)

The current will increase

b)

The current will decrease

c)

The current will fluctuate

d)

The current will remain the same

4.

What is a series circuit?

a)

A circuit with multiple paths for current

b)

A circuit with only one path for current

c)

A circuit with alternating current

d)

A circuit with no resistance

5.

What is the total resistance in a series circuit?

a)

The product of all the resistors' values

b)

The sum of all the resistors' values

c)

The difference of all the resistors' values

d)

The average of all the resistors' values

6.

If there are three resistors in series with values 1 kΩ, 500Ω, and 75Ω, what is the total resistance?

a)

1.575 kΩ

b)

1.575 Ω

c)

1.575 MΩ

d)

1.575 GΩ

7.

If the total resistance of a series circuit is 600Ω and there are three equal value resistors, what is the value of one resistor?

a)

400Ω

b)

200Ω

c)

500Ω

d)

300Ω

8.

If you have a series circuit with a total resistance of 1 kΩ and there are three resistors with values 500Ω and 47Ω, what is the value of the final resistor?

a)

647Ω

b)

553Ω

c)

453Ω

d)

547Ω

9.

What is the relationship between current and resistance in a series circuit?

a)

Directly proportional

b)

Inversely proportional

c)

Fluctuating relationship

d)

No relationship

10.

What is the relationship between voltage and resistance in a series circuit?

a)

Inversely proportional

b)

Directly proportional

c)

No relationship

d)

Fluctuating relationship

11.

What is the relationship between voltage and current in a series circuit?

a)

Fluctuating relationship

b)

Inversely proportional

c)

No relationship

d)

Directly proportional

12.

What is the relationship between power and resistance in a series circuit?

a)

Directly proportional

b)

Fluctuating relationship

c)

Inversely proportional

d)

No relationship

13.

What is the relationship between power and current in a series circuit?

a)

Directly proportional

b)

Inversely proportional

c)

No relationship

d)

Fluctuating relationship

14.

What is the relationship between power and voltage in a series circuit?

a)

No relationship

b)

Fluctuating relationship

c)

Inversely proportional

d)

Directly proportional

15.

What is the relationship between total voltage and individual voltages in a series circuit?

a)

They have no relationship

b)

They are directly proportional

c)

They are inversely proportional

d)

They are equal

16.

What is the current of a series circuit with a total resistance of 10 ohms and a voltage of 110 V

a)

0.09

b)

11.0

c)

1100.0

d)

10.0

17.

What would you need to do to the voltage if you wanted to increase the current in a series circuit?

a)

Increase

b)

Greater

c)

Decrease

d)

Smaller

18.

What does V stand for?

a)

Vendetta

b)

Voltage

c)

Velocity

d)

Vector

19.

What does R stand for?

a)

Revolution

b)

Rictor Scale

c)

Resistance

d)

Right

20.

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

21.

What unit is used to measure voltage?

a)

Ohms

b)

Omega

c)

Volts

d)

Amps

22.

What unit is used to measure current?

a)

Ohms

b)

Omega

c)

Volts

d)

Amps

23.

What unit is used to measure resistance?

a)

Ohms

b)

Omega

c)

Volts

d)

Amps

24.

Which is the right form of Ohm's Law?

a)

V=I/R

b)

V=R/I

c)

I=V/R

d)

I=R/V

25.

What is not needed in order to create a working circuit?

a)

battery (power source)

b)

lightbulb

c)

current

d)

use of energy

26.

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

27.

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

28.

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

29.

What is resistance?

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

30.

What does I stand for?

a)

Intensity

b)

Internal Energy

c)

Current

d)

Charge

31.
a)

zig zag

b)

Resistor

c)

Ammeter

32.
a)

resistor

b)

Ammeter

c)

Voltmeter

d)

Switch

33.
a)

Battery

b)

Lines

c)

Resistor

d)

bulb

34.

What is a positively charged particle?

a)

neutron

b)

electron

c)

proton

d)

atom

35.

What is a negatively charged particle?

a)

neutron

b)

electron

c)

proton

d)

atom

36.

What is a particle with no charge?

a)

neutron

b)

electron

c)

proton

d)

atom

37.

Resistor Value ?

a)

36 Ω +/- 5 %

b)

350 Ω +/- 5%

c)

250 Ω +/- 5 %

d)

360 Ω +/- 5 %

38.

Resistor Value ?

a)

1 kΩ +/- 5 %

b)

2 kΩ +/- 5 %

c)

202 Ω  +/- 20 %

d)

212 Ω +/- 10 %

39.

Resistor Value ?

a)

1 kΩ +/- 5 %

b)

10 kΩ +/- 10%

c)

10 kΩ +/- 5 %

d)

103 Ω +/- 10 %

40.

Resistor Value ?

a)

10 MΩ +/- 5 %

b)

10 kΩ +/- 5 %

c)

1 MΩ +/-5 %

d)

100 MΩ +/- 5%

41.

Resistor Value ?

a)

370 Ω +/- 5%

b)

470 Ω +/- 5%

c)

471 Ω +/- 5%

d)

460 Ω +/- 5%

42.

Resistor Value ?

a)

1 kΩ +/- 5%

b)

1 kΩ +/- 10 %

c)

100 +/- 5%

d)

102 +/- 10 %

43.

Color code for 
27 kΩ +/-5 %

a)

brown, violet, orange, gold

b)

red, violet, orange, gold

c)

red, violet, red, gold

d)

orange, violet, red, gold

44.

Color code for 10 Ω +/- 10%

a)

brown, black, brown, silver

b)

brown, black, brown, gold

c)

brown, black, black, gold

d)

brown, black, black, silver

45.

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

46.

What is current measured in?

a)

Ω (Ohms)

b)

V (Volts)

c)

A (Amps)

d)

W (Watts)

47.

What is resistance measured in?

a)

Ω (Ohms)

b)

V (Volts)

c)

A (Amps)

d)

W (Watts)

48.

What is Resistance?

a)

The flow of electrons

b)

Electric potential difference

c)

A battery

d)

The ability to reduce the flow of electrons

49.

Electricity that flows in a closed path is called a

a)

path

b)

current

c)

circuit

d)

light

50.

What types of charges attract?

a)

Positive and Positive

b)

Positive and Neutral

c)

Negative and Neutral

d)

Positive and Negative

51.
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
52.
The mathematical relationship among Voltage, Current, and Resistance
a)
Faraday's Law
b)
Tesla's Law
c)
Edison's Law
d)
Ohm's Law
53.
Current times Resistance equals
 (I X R)
a)
Power
b)
Voltage
c)
Amperage
d)
Ohm
54.

Voltage divided by Resistance

(V / R)

a)

Current

b)

Power

c)

Ohms

d)

Watts

55.

Voltage divided by Current

(V / I)

a)

Current

b)

Power

c)

Resistance

d)

Watts

56.
If the Voltage is increased and the resistance stays the same, Current will
a)
Increase
b)
Decrease
c)
Stay the same
d)
X
57.
If the Voltage stays the same and Resistance is increased, Current will 
a)
Increase
b)
Decrease
c)
Stay the same
d)
X
58.

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

59.
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
60.
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
61.
What word means how hard it is for electrons to flow through.
a)
Current
b)
Voltage
c)
Resistance
d)
Power
62.
What word means how fast the electrons flow.
a)
Current
b)
Voltage
c)
Resistance
d)
Power
63.
The flow of electricity requires a
a)
complete path
b)
incomplete path
c)
insulated current
d)
complex circuit
64.
To complete a circuit the switch must be
a)
unattached
b)
open
c)
closed
d)
It depends
65.

To put a number into engineering notation, we need to move the decimal place ____ places at a time.

a)

2

b)

3

c)

4

d)

5

66.

Looking at the index form to the left, what is this number also known as?

a)

base unit

b)

a standard unit

c)

1

d)

all of these

67.

Looking at the index form to the left, what is the engineering term used to represent this number?

a)

terabyte

b)

gigahertz

c)

megohm

d)

kilovolt

68.

Looking at the index form to the left, what is the engineering term used to represent this number?

a)

milliamp

b)

microwatt

c)

nanosecond

d)

picofarad

69.

Looking at the index form to the left, what is the engineering term used to represent this number?

a)

megohm

b)

terabyte

c)

kilovolt

d)

picofarad

70.

Looking at the index form to the left, what is the engineering term used to represent this number?

a)

milliamp

b)

nanosecond

c)

picofarad

d)

microwatt

71.

Looking at the engineering term to the left, what is the index form used to represent this?

a)

103

b)

109

c)

106

d)

1012

72.

Looking at the engineering term to the left, what is the index form used to represent this?

a)

10-12

b)

10-9

c)

10-6

d)

10-3

73.

Looking at the engineering term to the left, what is the index form used to represent this?

a)

103

b)

106

c)

109

d)

1012

74.

Looking at the engineering term to the left, what is the index form used to represent this?

a)

10-3

b)

10-6

c)

10-9

d)

10-12

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