18/08/2013eFor example, a sump pump that uses 1,050 watts running uses approximately 2,000 watts to start, and a 1/3-horsepower furnace motor requires 1400 watts to start.

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16/10/2007eBut there are lots of transformers in your home also. Big electric appliances such as washing machines and dishwashers use relatively high voltages of 110–240 volts, but electronic devices such as laptop computers and chargers for MP3 players and mobile cellphones use relatively tiny voltages: a laptop needs about 15 volts, an iPod charger needs 12 volts, and a cellphone typically …

05/11/2008eAppliances that use printed circuit boards for their control will need to use transformers to get the voltage down to their operating voltages. These types of boards operate on 5 to 24 volts.

Answer (1 of 10): step up transformers are usually rated to work with fixed ratios and 150 to 190 is not only a wide range but also a non-standard supply for most step-up transformers which are usually 1:2. A step up transformer is not a good solution because of the range you are trying to work ...

02/03/2020eElectromagnets are very widely used in electric and electromechanical devices, including: Motors and generators. Transformers. Relays. Electric bells and buzzers. Loudspeakers and headphones. Actuators such as valves. Magnetic recording and data storage equipment: tape recorders, VCRs, hard disks. MRI machines.

lower-voltages. There are transformers in your home as well. Electric appliances such as washing machines and dishwashers use voltages of 110-240 volts, but electronic devices (laptop computers and chargers for MP3 players and mobile cellphones) use lower voltages: a laptop needs about 15 volts, an iPod charger

16/10/2010e5 Common Items That Don’t Need Electricity. Wind up alarm clocks — Way better than the electric version. The alarms are generally metallic sounding and irritating. Best of all when the power goes out your alarm will still go off. This type of alarm clock does not tend to be expensive and has a nice ticking sound.