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What is the result when a 400v device's load is connected between the two phase legs of a 3 phase distribution?
It works normally. Well actually there are 380 volts across two lines of a 3 phase AC source, so it should work normally.
What resistance produces a current equal to 8 amps when connected to 24 volts?
To find the resistance that produces a current of 8 amps when connected to 24 volts, you can use Ohm's Law, which states that ( V = I \times R ). Rearranging the formula to solve for resistance gives ( R = \frac{V}{I} ). Substituting the values, ( R = \frac{24 \text{ volts}}{8 \text{ amps}} = 3 \text{ ohms} ). Thus, a resistance of 3 ohms will produce a current of 8 amps when connected to 24 volts.
Can you run single phase 230 from one side of 480 volt 3 phase?
No, you will not obtain 230 volts. From a wye connected three phase 480 volt supply, 277 volts can be obtained from one phase leg and the neutral on the wye connection. 480 volts/1.73 (sq. root of 3) = 277 volts.
Four loads are connected in series across 120 volts dc 3 amperes current exists one load fail to operate?
Your description of the system is either contradictory or incomplete, therefor no answer can be given.
3.0 kV is equal to how many volts?
3 Kv = 3,000 volts.
Why are batteries placed in a flashlight the positive terminal of one is connected to the negative terminal of the next?
Because they are connected in series. Lets say you have a flashlight that holds 2 D cell batteries. Each battery puts out 1.5 volts. Connect them in series and together they put out 3 volts. The flashlight is designed to run on 3 volts. A electronic device that uses 4 AA batteries is using 6 volts even though each battery is only putting out 1.5 volts. Connected in series you add to the voltage with the addition of each new battery.
If 3 1.5 V cells were connected in series what would the total voltage of the circuit be What about in Parallel?
4.5 volts in series; 1.5 volts in parallel.
What is the result when a 400v device's load is connected between the two phase legs of a 3 phase distribution?
It works normally. Well actually there are 380 volts across two lines of a 3 phase AC source, so it should work normally.
Can a device requiring 12 volts and 3 amps run with an adapter providing 12 volts and 2 amps?
No. Your power supply must be able to supply rated voltage (12 volts) and rated current (3 amps).
What will happen when 3 1.5 volt batteries are connected to an LED?
When three 1.5-volt batteries are connected in series, they will provide a total voltage of 4.5 volts to the LED. If the LED's forward voltage rating is lower than 4.5 volts (typically around 2-3 volts for standard LEDs), it will illuminate brightly. However, if the voltage exceeds the LED's rating, it could lead to overheating and damage the LED. To ensure safe operation, a current-limiting resistor is often used in series with the LED.
What resistance produces a current equal to 8 amps when connected to 24 volts?
To find the resistance that produces a current of 8 amps when connected to 24 volts, you can use Ohm's Law, which states that ( V = I \times R ). Rearranging the formula to solve for resistance gives ( R = \frac{V}{I} ). Substituting the values, ( R = \frac{24 \text{ volts}}{8 \text{ amps}} = 3 \text{ ohms} ). Thus, a resistance of 3 ohms will produce a current of 8 amps when connected to 24 volts.
Can a device using 4.5v 75mA use a adapter at 3v 1000m?
Unlikely. 3 volts in stead of 4.5 volts is a too big gap between that it gets and what it expects.
A 9.0V battery is connected between two parallel metal plates 3.0mm apart What is the magnitude of the electris field between the plates?
9/3 = 3 volts per millimeter = 3,000 volts per meter.
Can you run single phase 230 from one side of 480 volt 3 phase?
No, you will not obtain 230 volts. From a wye connected three phase 480 volt supply, 277 volts can be obtained from one phase leg and the neutral on the wye connection. 480 volts/1.73 (sq. root of 3) = 277 volts.
What is amp-hr of three 3 volts dc battery connected in parallel?
According to me the information about the 3 Volts DC batteries is incomplete i.e.The amp-hr capacity is not provided.If this is known then the answer would be 3X the amp-hr .
What is the difference between a 9v 300mA Adapter and a 12v 300mA Adapter?
difference is 2.7 amperes in numbers will be 12 volts 3 amps and the other will be 12 volts .3 amps
A voltmeter is connected to the terminals of a battery that has emf 12.0V and internal resistance 3.00 ohms The battery is not connected to any other external circuitry What is the vmeter's reading?
The voltmeter would read 12 volts. An ammeter connected to to battery would only read 4 amps (12 volts divided by 3 ohms =4)
