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Resistors in Series

Total questions: 20

Worksheet time: 32mins

Name
Class
Date
1.

What is the equivalent or total resistance (Re) across this circuit?

a)

3 kΩ

b)

10 kΩ

c)

13 kΩ

d)

18 kΩ

2.
How does resistance affect current?
a)
less resistance - less current
b)
more resistance - less current
c)
more resistance - more current
d)
resistance does not affect current
3.
Which one, top or bottom, offers more resistance?
a)
top
b)
bottom
c)
neither
4.

Solve for the total resistance of the circuit shown

a)

50 V

b)

1970 ohms

c)

705 K ohms

d)

20 Amps

5.

This circuit has only one path for current to flow

a)

series

b)

parallel

c)

combination

d)

split

6.

__________ remains the same in a series circuit.

a)

Resistance

b)

Voltage

c)

Current

d)

Power

7.

Which circuit diagram represents the correct way to measure the current in a resistor?

a)
b)
c)
d)
8.

When only one lightbulb blows out, an entire string of decorative lights goes out. The lights in this string must be connected in

a)

series with multiple current pathways

b)

series with one current pathway

c)

parallel with multiple current pathways

d)

parallel with one current pathway

9.
This is an example of a _______ circuit
a)
open
b)
series
c)
parallel
d)
square
10.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
11.
A series circuit has ____ path(s) that the electric current can take. 
a)
One
b)
Two 
c)
Three 
d)
Four
12.
The equivalent resistance in this circuit is 
a)
100 ohms
b)
450 ohms
c)
400 ohms
d)
30 ohms
13.

Three resistors, with values of 2.0, 4.0 and 8.0 ohms, respectively, are connected in series. What is the overall resistance of this combination?

a)

0.58 ohms

b)

1.1 ohms

c)

7.0 ohms

d)

14.0 ohms

14.

If the current through a resistor is 2A and the voltage across it is 12V, what is the resistance

a)

12Ω

b)

c)

24Ω

d)

0.167Ω

15.

If a circuit has two resistors in series both are 4Ω, what is the total resistance of the circuit?

a)

b)

c)

d)

16.

What is the unit of resistance

a)

Ohm

b)

Home

c)

Amp

d)

Camp

17.
If the voltage is increased and the resistance stays the same, current will ____.
a)
Increase
b)
Decrease
c)
Stay the same
d)
Not enough info
18.
If the voltage stays the same and resistance is increased, current will ________. 
a)
Increase
b)
Decrease
c)
Stay the same
d)
Not enough info
19.
If a battery produces 12.6 Volts, what would be the current for a 6 Ohm resistor?
a)
2.1 Amps
b)
75.6 Amps
c)
0.5 Amps
d)
15 Amps
20.
A light circuit is operating at 75 Volts. What is the circuit's current if the resistance is 5 Ohms?
a)
375 Amps
b)
50 Amps
c)
15 Amps
d)
0.07 Amps