screamqueen
22.05.2020 •
Physics
Which statement is NOT true about voltage?
A higher voltage means a faster current.
All electricity sources have the same voltage.
Voltage is the difference in electrical potential energy.
The unit for voltage is volt (v).
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Ответ:
All electricity sources have the same voltage isn't true
All electricity sources usually have different voltage as the number of
electrons needed to power them varies. For example heating appliances
usually have a higher amount of voltage as it requires more electrons to
increase the temperature.
The higher the amount of voltage , the higher the amount of electrons which collides more and translates to faster current which is correct.
Voltage is also known as the difference in electrical potential energy and the unit for voltage is Volt (V).
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Ответ:
The first two choices are both false, but the second one is the falser one.
All electricity sources do not have the same voltage. The outlet in your bedroom wall supplies 120 volts, but the USB port on your laptop only supplies 5 volts, and the battery in your cellphone only supplies 3.7 volts.
Ответ: