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WorksheetsYear 10 Rainey Endowed Technology & Design
Total questions: 26
Worksheet time: 19mins
What tolerance does the gold band on a resistor represent
10%
5%
2%
1%
What is resistance measured in?
volts
amps
watts
ohms
What does the symbol for a variable resistor look like
a circle
a rectangle
a rectangle with an arrow through it
a rectangle in a circle
Name a power station in Northern Ireland
Ballygobackwards
Springfield Nuclear
Kilroot
Belfast
What is Ohm's law expressed as...
V=IxR
V=RxR
V=PxV
R=VxI
What is the symbol of voltage
I
R
V
P
What is the symbol of resistance
omega
alpha
zeta
nano
What is the amount of a substance measured in...
badgers
moles
cows
kilograms
What is Amp short for
ampere
amplitude
ammeter
amatron
How many zeros does Giga represent
12
9
3
2
How many zeros are to the right of a decimal point in a 'nano'
2
5
9
8
Potential difference is another way of saying..?
current
electrical voltage drop
change in charge
electron flow
What is PIC short for
Portable Inter-Changer
Printed Internal Chip
Peripheral Interface Controller
Peripheral Interface Chip
How many ml are in 1 litre
10
100
1000
10000
The Unit of Charge is?
Volts
Amps
Ohms
Coulombs
The Unit of Power is?
Amps
Metres
Watts
Joules
The Unit of Energy is?
Watts
Joules
Candela
Seconds
What is the main reason why power supplies made of plastic?
They help guard against electrical shock
Plastic is easily moulded
Plastic is available in a range of colours
Plastic is lightweight
Why are electronics often made in China?
China is far away
Labour costs are low
Cost of raw materials is low
Chinese people know how to make stuff better
A material that allows electrical current to flow is a?
plastic
insulator
semi conductor
Conductor
A material the stops electrical current flowing is a?
Insulator
Conductor
Wooden
Carbon Fibre
Name a good electrical conductor
Oak
Gold
Steel
Copper
A device that allows current to flow in only one direction
capacitor
diode
resistor
copper wire
PCB is short for
Peripheral Circuit Breaker
Printed Chip Board
Printed Circuit Board
Printed Capacitor Board
LED is short for
Lens Emitting Device
Light Emitting Device
Light Emitting Diode
Little Elf Dude
How many volts does a AA battery provide
3V
30V
15V
1.5V
