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If a circuit contains a twelve volt battery a switch and a light bulb what is the potential difference?
The potential difference has to be 12 Volts since the light bulb will use 12 Volts (or Joules per Coulomb!) of energy. Voltage has to be 0 when it reaches the negative electrode of the battery, so you know that the 12 Volts have to have been consumed by the bulb!
How many watts is 7 amps at twelve volts?
"Power (/Watts) = Current (/amps) * Potential Difference (/volts)" Therefore, power = 7 * 12 = 84 W
Why not put a 12 volt motor to replace the 120 volt motor in your freezer Will this work?
The voltage of 120 volts is more common that the lower voltage of 12 volts.
How many ohms are there in 12 volts?
Ohms are used to measure resistance, and volts are used to measure potential difference -two completely-different quantities. You might as well be asking, "How many kilometres are there in 12 degrees Celsius?"
Using 120 volts at 12 amps is the same power as what amps at 220 volts?
6 amps.
How many amps at 12 volts equals 16 amps at 120 volts?
160 amps at 12v.
How many amps at 120 volts equals 16 amps at 12 volts?
160 amps at 12v.
Are auto electric systems 12 volt or 120 volt?
12 Volts DC
What is the resistance of an electric frying pan that draws 12 amperes of current when connected to a 120 volt circuit?
Given R=? I=12 ampere V=120 Volts equation I=V divided R Solution; R=12 ampere 120 Volts answer (10)
What is the basic unit of measurement for electrical potential?
Potential is measured in volts. The potential at any point is always measured with respect to another point, such as (but not necessarily) earth. So, if the potential at point A measures, say, +12 V with respect to earth, and the potential at point B measures, say, -12 V with respect to earth, then the potential difference between points A and B is +12 V - (-12 V), or 24 volts.
Can you plug 120 volts into an 85 watt cigarette lighter in a car?
An automobile cigarette lighter uses 12 Volts DC. A typical 120 Volt circuit would destroy the 12 volt lighter.
If a battery has 100 amp hours at 12 volts dc how many amp hours will it have with a 120 volt ac inverter connected?
The amp hours capacity of a battery remains the same whether it is connected to a 12-volt DC load or a 120-volt AC inverter. So, the battery would still have 100 amp hours regardless of the inverter voltage.
