Answer / jack

E.g. : Solar systems can be sized in 12, 24 or 48 volts.
As a general rule, smaller Photovoltaic systems are run on
12 volts. 24 or 48 volt equipment can handle 4,000 watt
systems. 48 volt systems are designed for energy
consumption needs of over 4,000 watts.

Answer / jack

we can use some power supplies and Electri motors

Answer / shafieque

48V are safe volts for hand hold devices.we can use these
volts in confined space like vessels etc.

pls,send the previous year written test questions.

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