09 Power
Presentation
•
Science
•
11th Grade
•
Practice Problem
•
Easy
Alistair Daish
Used 1+ times
FREE Resource
23 Slides • 8 Questions
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Poll
If we increase the tap size what would happen in relation to power
More power
Less power
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Reorder
Organize these options into power rating lowest to highest
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Math Response
A Heater takes 20a and runs on 230v how much power does it use
12
Math Response
A Motor uses 2.5Kw of power to run and need 5a to operate what voltage is it operating at?
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Match
Match the following item to the most appropriate fuse size
3a Fuse
10a Fuse
13a
5a
3a Fuse
10a Fuse
13a
5a
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https://www.ofgem.gov.uk/energy-price-cap
https://www.ofgem.gov.uk/energy-price-cap
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Math Response
A lamp is turned on for a period of 3 hours 45 minutes, It takes a current of 0.5a when connected to a 80v Supply.
Calculate the total energy used in joules
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Math Response
A lamp is turned on for a period of 3 hours 45 minutes, It takes a current of 0.5a when connected to a 80v Supply
The amount of power used in 1 hour
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Math Response
A lamp is turned on for a period of 3 hours 45 minutes, It takes a current of 0.5a when connected to a 80v Supply
If it cost £0.35 per unit of Electricity how much would it cost to run the lamp?
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