WorksheetsEWIT Lesson 2 Resistors and Capacitors
Total questions: 25
Worksheet time: 16mins
Name
Class
Date
1.
The picture shows an electrical circuit. This circuit is a series circuit because:
a)
It has 3 light bulbs.
b)
The same current flows through all three light bulbs.
c)
It uses a single battery.
d)
The electrical current has more than one path to flow through
2.
What is a Parallel circuit?
a)
Has only one path
b)
Has more than one path
c)
Allows energy to travel through easily
d)
Has only one light bulb
3.
Which best describes a simple series circuit?
a)
Electricity flows along one pathway.
b)
The flow of electricity comes from the switch.
c)
Electricity flows along many pathways.
d)
The flow of electricity comes from the light bulb.
4.
Silver is a _____?
a)
insulator
b)
conductor
5.
A material in which electrons are able to move easily
a)
Circuit
b)
Insulator
c)
Resistance
d)
Conductor
6.
wood is a _____?
a)
conductor
b)
insulator
7.
What type of circuit is show in the image?
a)
Series Circuit
b)
Parallel Circuit
8.
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
9.
If the battery produced 12.6 Volts and what would be the current flow be for a 6 Ohm resistor
a)
2.1 Amps
b)
2.4 Amps
c)
1.71 Amps
d)
15 Amps
10.
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
11.
What would the circuit resistance be if a 7.5 Amp draw was present with the engine running and the charging system producing 15 Volts
a)
15 Ohms
b)
4 Ohms
c)
0.3333 Ohms
d)
2 Ohms
12.
What is the power of a 25V bulb with 4A through it?
a)
100W
b)
100V
c)
6.3W
d)
6.3A
13.
What is the power of a 3V bulb with 20A through it?
a)
100W
b)
100V
c)
60W
d)
60A
14.
What is resistance measured in?
a)
volts
b)
Amperes (Amps)
c)
Ohms
d)
Coulombs
15.
What is this symbol for?
a)
one battery
b)
two batteries
c)
three batteries
d)
four batteries
16.
Which resistor will prevent the most current flow?
a)
1 ohm
b)
100 ohms
c)
1000 ohms
d)
0.5k ohms
17.
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
18.
What is capacitance measured in?
a)
Coulombs
b)
Farads
c)
Hz
d)
Volts
19.
The capacitance of a 2-plate capacitor (like the one we used) is:
a)
proportional to the plate area
b)
proportional to the charge stored
c)
independent of any material inserted between the plates
d)
proportional to the potential difference of the plates
20.
The figure to the right represents:
a)
Capacitor
b)
Diode
c)
Inductor
d)
Resistor
21.
Which of the following does the law of conservation of energy NOT state?
a)
Energy can be transferred
b)
Energy can be created
c)
Energy cannot be created
d)
Energy cannot be destroyed
22.
Which of the following wires would have the MOST resistance in a circuit?
a)
A 5 gauge wire
b)
A 10 gauge wire
c)
A 15 gauge wire
d)
A 20 gauge wire
23.
Which of the following would have the LEAST resistance in a circuit?
a)
A 10cm long wire
b)
A 20cm long wire
c)
A 30cm long wire
d)
A 40cm long wire
24.
Measure of electrical current flow
a)
Curcuit
b)
Amp
c)
Volt
d)
Watt
25.
The term that tells us the size (diameter of a wire)
a)
Gauge
b)
Diameter
c)
Gate
d)
Width
100 %
