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WorksheetsY10 EoY Revision 2
Total questions: 55
Worksheet time: 1hrs 11mins
What are the units for acceleration?
m/s2
m
sec
s/m
What is the acceleration in the first ten seconds?
(15m/s - 0m/s) / 10s =
4 m/s2
1.5 m/s2
10 m/s2
0 m/s2
Karina is slowing down on her skateboard. She starts at a speed of 5.5m/s and slows to 1.0 m/s over a time of 3.0 seconds. What is Karina's acceleration?
-1.5 s2m
8.5 m/s
-2.5 m/s
4.5 km/s
A roller coaster's velocity at the top of a hill is 10m/s. 2 seconds later, it reaches the bottom of the hill with a velocity of 26 m/s. What was the acceleration of the coaster?
20 m/s
10 m/s2
8 s2m
16 m/s3
A freely falling object on Earth has a speed of 5.0 m s-1. After falling a further 20 m, its speed it
15 m s-1
20 m s-1
25 m s-1
45 m s-1
A cyclist travelling at a speed of 4.2 m s-1 accelerates at 1.1 m s-2. In a time of 7.4 s, the distance travelled is
30 m
35 m
61 m
91 m
A student is asked to solve the following problem:
An object is thrown upwards with a speed of 25 m s-1. How high will it be when the speed is 12 m s-1 ?
Which equation will allow the problem to be solved in a SINGLE calculation?
s=ut+21at2
s=2(u+v)t
v=u+at
v2=u2+2as
In the equation v2=u2+2.a.s
What does u represent?
Upwards acceleration
Final velocity
Initial velocity
Average velocity
525 m
3750 m
6235 m
9813 m
What is SLAP? you should know
What is the L for?
(a)
What is the unit for current
Watts
Ohms
Volts
Amperes
What is current?
Flow of electrical charge
Pressure from power to push electrons
Limits the flow of electrons
What is resistance?
Flow of electrical charge
Pressure from power to push electrons
Limits the flow of electrons
How do you find Voltage?
I ÷ R
R ÷I
I×R
I ×W
A resistor operated at 140 V dc is rated at 1.40 kW.
(a) What is the normal operating current through the resistor?
(a) 10 A .
(a) 14 A .
(a) 1 A .
(a) 0.010 A .
An instrument is rated at 240 W if it is connected across a 120-V dc power supply.
(a) What current does it draw under normal operation?
(a)
A 100-W light bulb is operated by a 110-V dc source. What is the resistance of this bulb?
Power = V.I and you know that V=R.I (ohm's law)
100 Ω
8.0 × 10-3 Ω
120 Ω
240 Ω
This is a graph for which component?
LDR
Thermistor
Diode
Resistor
Filament lamp
At high temperatures, the resistance is .....
High
Low
What is the correct symbol for a LDR (light dependent resistor)?
What happens to the resistance of LDR when the light intensity increases?
increases
decreases
does not change
first increases then decreases
All waves carry ______________.
Sound
Light
Matter
Energy
What type of wave is pictured?
Transverse wave
Longitudinal wave
Wave, what wave?
Slinky wave
This is the distance from the equilibrium position to the crest or to the trough.
crest
trough
wavelength
amplitude
In a transverse wave, the vibrations are (a) to the direction of the wave.
The vibrations in a longitudinal wave are (a) to the direction of energy transfer.
Select the transverse waves.
water waves
light
ultrasound
radio waves
P waves
Sound waves are (a) waves.
Frequency is measured in ____
meters
hertz
decibels
seconds
Calculate charge when a current of 2A flows for 2 minutes
(a)
Calculate charge when 3mA flows for 3 minutes
(a)
Calculate the time in minutes when a charge of 6kC flows through 2A.
(a)
what is the unit for energy?
newton
joule
force
volt
ampere
the longer the wire,
the _________ the resistance.
lower
greater
higher
shorter
The current in the resistor X is 2.0 A and the current in the 6.0 Ω resistor is 0.5 A. Calculate the current in resistor Y.
0.5 A
1.5 A
2.5 A
3.5 A
Component that Convert AC to DC and allow current to flow in one Direction
Capacitor
Diode
Inverter
Resistor
Diagram 10.1 and Diagram 10.2 show two electrical circuits containing semiconductor diodes. Using Diagram10.1 and Diagram 10.2, compare the lighting of the bulbs.
bulb in Diagram 10.1 lights up
bulb in Diagram 10.2 lights up
bulb in Diagram 10.1 does not light up
bulb in Diagram 10.2 does not light up
The graph shows the change in current with potential difference for
an LED
a filament lamp
a diode
a thermistor
Which component has the highest resistance?
1
2
The components 1 and 2 which produced this IV graph are:
Resistors
Filament lamps
Diodes
A combination of the above
What is the relationship between the readings on Ammeters A1, A2 and A3
A1 = A2 + A3
A3 = A1 + A2
A1 = A2 = A3
A3 = A1-A2
which component produces an IV graph like this?
resistor
diode
filament bulb
fuse
