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Note that your final mark will not be saved in the system.
Note that your final mark will not be saved in the system.
Electromagnetic induction MatchUp
Target Level
4-5
Running Total
0
0%
Attempt
1 of 3
Click on a top box, then click on its match below. Or, drag a top box and drop it onto the correct match. Match all pairs before clicking ‘Check’.
Efficiency
Direct
Microphone
National Grid
Transformer
Primary
Secondary
Step-up
Step-down
Alternating
Device used to increase or decrease the potential difference of a power supply for transferal or use
Transformer used to increase potential difference to be transferred across the country
Transformer used to decrease potential difference for use in homes
Describes a potential difference or current that changes between two values, one positive and one negative
The system of cables that transfers power from power stations to homes and businesses
Describes a potential difference or current that is transmitted at a single value and in a single direction
Coil of a transformer which has a potential difference applied across it
Coil of a transformer which has a potential difference induced across it
Device with a coil that moves due to pressure waves, generating a potential difference
The output power from a transformer compared to the power input to the transformer