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Worksheetsscience form 3 chapter 6.2
Total questions: 15
Worksheet time: 10mins
Transformer is a device for changing the voltage of an (a) current.
What type of transformer is in the picture given?
Step-up tranformer
Step-left transformer
Step-down transformer
Step-right transformer
What does this symbol represent for?
Step-side transformer
Step-down transformer
Step-up transformer
Step-right transformer
Which one is the correct type of transformer?
Bumblebee
Opimus Prime
Step-up
Starscream
What type of tranformer about that appliance given?
(a)
Which one of them is a transformers in home electrical appliances?
Fan
Ceiling fan regulator
Oven
Light bulb
How can we identify which one is input and which one is output?
(a)
What is the type of current used in transformer?
(a)
What is meant by “output voltage”?
The voltage supplied by the source
The voltage that had been changed by the transformer
What is meant by “input voltage”?
The voltage that had been changed by the transformer
The voltage supplied by the source
The characteristics of a step-up transformer are:
The number of turns of the primary is more than the number of turns of the secondary coil
The primary (input) voltage is lower than the secondary (output) voltage.
The number of turns of the primary coil is less than the number of turns of the secondary coil
The primary (input) voltage is higher than the secondary (output) voltage
In Malaysia, the voltage for the alternating current supply supplied to homes is ______.
200V
240V
260V
140V
A simple transformer structure consists of_________________.
Primary coil
Power supply
Secondary coil
galvanometer
Laminated soft iron core
Count the number of coils of secondary wire.
10
20
30
40
This diagram shows a step-down transformer
True
False
