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Worksheets4th Form Revision Questions 1
Total questions: 38
Worksheet time: 13mins
Name
Class
Date
1.
If a third bulb is added to two bulbs in parallel, what happens to the brightness of the original two bulbs?
a)
They stay the same brightness
b)
They get dimmer
c)
They get brighter
2.
In a parallel circuit, current ...
a)
splits at junctions
b)
is the same for each component
3.
Current flows from …
a)
positive to negative
b)
negative to positve
c)
either
4.
Below the elastic limit, a force-extension graph for a rubber band produces a line which is …
a)
straight, and through the origin
b)
straight, not through the origin
c)
curved
d)
straight, cannot say whether through origin or not
5.
The upper range of human hearing is …
a)
20 000 Hz
b)
20 000 kHz
c)
2000 Hz
d)
20 Hz
e)
200 000 Hz
6.
What is the resistance of a 5 Ω and a 10 Ω resistor in series?
a)
15 Ω
b)
3.75 Ω
c)
7.5 Ω
d)
5 Ω
e)
50 Ω
7.
The wavelength of a sound wave relates to its …
a)
pitch
b)
loudness
8.
What type of electricity comes from UK sockets?
a)
230 volts AC @ 50 Hz
b)
230 volts DC @ 50 Hz
c)
230 volts AC @ 60 Hz
d)
230 volts DC @ 60 Hz
e)
110 volts AC @ 60 Hz
9.
Which component is this the V-I graph for?
a)
none of these
b)
thermistor
c)
diode
d)
resistor
e)
filament lamp
10.
The normal operating current for a TV is 6 A. Which fuse should be used?
a)
1 A
b)
3 A
c)
5 A
d)
7 A
e)
13 A
11.
Which component is this the V-I graph for?
a)
diode
b)
thermistor
c)
resistor
d)
filament lamp
e)
none of these
12.
If one component in a parallel circuit fails, what happens to the other components?
a)
They stay on
b)
They go out
13.
The Universe is a large collection of …
a)
billions of galaxies
b)
billions of stars
c)
millions of galaxies
d)
millions of stars
e)
billions of planets
14.
The change of state from liquid to solid is …
a)
freezing
b)
melting
c)
boiling
d)
condensing
e)
deposition
15.
Where does an ammeter go in a circuit?
a)
Series
b)
Parallel
16.
A galaxy is a large collection of …
a)
billions of stars
b)
millions of stars
c)
trillions of stars
d)
billions of planets
e)
millions of planets
17.
The lower range of human hearing is …
a)
20 Hz
b)
200 Hz
c)
2 Hz
d)
20 kHz
e)
200 kHz
18.
The x- and y-axes of the oscilloscope have the units …
a)
seconds, volts
b)
volts, seconds
c)
hertz, amps
d)
amps, hertz
e)
amps, volts
19.
The resistance of an LDR is …
a)
low when bright, high when dark
b)
low when dark, high when bright
20.
True or False: Circuit breakers can be reset
a)
True
b)
False
21.
When light travels from air to plastic it …
a)
slows down
b)
speeds up
c)
continues at the same speed
22.
Which component is this the V-I graph for?
a)
filament lamp
b)
thermistor
c)
diode
d)
resistor
e)
none of these
23.
The x-axis of the oscilloscope can be used to calculate …
a)
frequency
b)
amplitude
c)
voltage
24.
The frequency of a sound wave relates to its …
a)
pitch
b)
loudness
25.
When entering a material with a higher refractive index, light bends …
a)
towards the normal
b)
away from the normal
c)
towards the surface
26.
In a series circuit, current ...
a)
is the same for each component
b)
is shared between components
27.
Rubber bands obey Hooke's Law
a)
true
b)
false
28.
What is the resistance of three 20 Ω resistors in series?
a)
60 Ω
b)
6.7 Ω
c)
40 Ω
d)
20 Ω
29.
What is the refractive index of benzene?
a)
1.501
b)
0.297
c)
0.349
d)
0.355
e)
0.57
30.
The change of state from gas to liquid is …
a)
condensing
b)
boiling
c)
melting
d)
freezing
e)
deposition
31.
Total internal reflection takes place when light travels …
a)
from glass to air
b)
from air to glass
c)
both
d)
neither
32.
In a parallel circuit, voltage ...
a)
is the same for each component
b)
splits at junctions
33.
When light travels from air to glass it …
a)
slows down
b)
speeds up
c)
continues at the same speed
34.
As the temperature of a wire increases, its resistance …
a)
increases
b)
decreases
c)
remains constant
35.
The y-axis of the oscilloscope can be used to calculate …
a)
amplitude
b)
frequency
c)
voltage
d)
wavelength
36.
In a series circuit voltage ...
a)
is shared between components
b)
is the same for each component
37.
Which is not an electrical hazard?
a)
Very short cables
b)
Water around sockets/switches
c)
Very long cables
d)
Damaged plugs
e)
Frayed cables
38.
If one component in a series circuit fails, what happens to the other components?
a)
They go out
b)
They stay on
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