Three Heat Switch:
If the 2 elements each have a Resistance of 20.2ohms, and the voltage is 230V. What will its power output be in the low setting? (give your answer in kW)
Simmerstat:
A simmerstat has a fault, It is permanently ON and never turns OFF
Motors:
I don't know what my motor is when its on its running fine but when its turns off it makes no noise
Network:
If you leave a heater on in your house (230v), and it has a resistance of 79 Ohms.
If the power supply company charges you 14.3 cents for a unit, and you leave it on for 7 days and 5 hrs , How much will it cost?
Give the answer in dollars.
Appliance Testing:
What is a safe resistance to operate an appliance
Protection:
What is the purpose of a fuse a) short circuit b) overload
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