What is 2.5 mA?
so 2.5mA=0.0025 ampere.
Accordingly, How many mA is a?
Milliampere to Ampere Conversion Table
| Milliamperes | Amperes |
|---|---|
1 mA | 0.001 A |
| 2 mA | 0.002 A |
| 3 mA | 0.003 A |
| 4 mA | 0.004 A |
next, How many watts is 2.5 amps?
Watts to amps at 120V (AC) chart
| Watts: | Amps (at 120V): |
|---|---|
| 100 watts | 0.83 amps |
| 200 watts | 1.67 amps |
300 watts | 2.5 amps |
| 400 watts | 3.33 amps |
In this manner, When a 12V battery is connected across an unknown resistor there is a current? When a 12V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit.
What does 1000mA mean?
One milliampere is equal to 1/1,000 of an ampere, which is the electrical current equal to the flow of one coulomb per second. The milliampere is a multiple of the ampere, which is the SI base unit for electric current. … Milliamperes can be abbreviated as mA; for example, 1 milliampere can be written as 1 mA.
24 Related Questions Answers Found
Which is bigger amps or milliamps?
The only difference between an amp and a milliamp is that an amp is 1,000 times larger than a milliamp. Both amps and milliamps are metric units used by scientists to measure electrical current, although at different scales.
What is mA in Physics current?
Milliampere, or milliamp: 1/1000 of an Ampere. Ampere is the basic unit for measuring electrical current.
What can 10000 ohms be written as?
Ohms Measurement Conversion Table
| ohms | nanoohms | milliohms |
|---|---|---|
| 9 Ω | 9,000,000,000 nΩ | 9,000 mΩ |
10 Ω | 10,000,000,000 nΩ | 10,000 mΩ |
| 11 Ω | 11,000,000,000 nΩ | 11,000 mΩ |
| 12 Ω | 12,000,000,000 nΩ | 12,000 mΩ |
How many watts is 2 amps?
Amps to watts table (120V)
| Current (A) | Voltage (V) | Power (W) |
|---|---|---|
| 1 amps | 120 volts | 120 watts |
| 2 amps | 120 volts | 240 watts |
| 3 amps | 120 volts | 360 watts |
| 4 amps | 120 volts | 480 watts |
How many watts is 30 amps?
The formula is 30 amps X 120 volts = 3,600 watts.
How many watts is 15 amps?
The circuit and circuit breaker that you tripped have a capacity of 15 amps, or 1,800 watts (15 amps x 120 volts = 1,800 watts).
When a 12v battery is connected across an unknown resistor there is a current of 2.5 mA in the circuit value of resistance is?
In the question the values of voltage V is and the value of the current I through the circuit are given so after substituting these values in the ohm’s law formula we can get the value of unknown resistance. Therefore, we are getting the value of the unknown resistance as 4.8 Kilo ohms.
What is the voltage of a 12 volt battery?
The standard automotive battery in today’s vehicles is a 12-volt battery. Each battery has six cells, each with 2.1 volts at full charge. A car battery is considered fully charged at 12.6 volts or higher. When the battery’s voltage drops, even a small amount, it makes a big difference in its performance.
When a 4V battery is connected across an unknown resistor there is a current of 100 mA?
V=IR V = 4V I = 100 mA = 0.1 A Hence R = V/I = 4/0.1 Ω = 40 Ω.
What does the symbol mA mean?
The “Ampere”, usually abbreviated as “Amp” in spoken language, is the SI unit of electrical current and has the written symbol A. … For example, 0.1 Amps is equivalent to 100 milliAmps and 0.01 Amps is 10 milliAmps. While the term “milliAmp” is used in spoken communication, it is abbreviated as mA in writing.
What does mA stand for on a charger?
The abbreviation mAh stands for milliamps per hour and is the unit that indicates how long (per hour) the power bank can deliver a certain amount of current (mA). A standard adapter with a smartphone has an output of 1000 mA.
Can I use a 5V 2A charger with a 5V 1A device?
What happens when use a 5v 2a rated power adapter for a device rated 5v 1a? The adapter works perfectly if the rated value is stated on it. If you use 5V 2A for the use of 5V 1A, it will work. There will be a dip in the output voltage if you operate a load of 2.5 A rated value.
How many amps are in a Volt?
A “volt” is a unit of electric potential, also known as electromotive force, and represents “the potential difference between two points of a conducting wire carrying a constant current of 1 ampere, when the power dissipated between these points is equal to 1 watt.” Stated another way, a potential of one volt appears …
How many amps is 3000mah?
For example, if you have a 3000 mAh battery that runs at 0.2 Amps (0.2Amps = 200mA), then the time that the battery will last for is (3000)/(0.2*1000) = (3000)/(200)= 15 Hours. If instead of the current you have voltage and watts, then the formula is (mAh*Volts)/(Watts*1000) = (hours).
Is mA same as amps?
1 mA = 0.001 AMP (short for amperes) Amps are referred to as CURRENT.
How is mA power calculated?
A milliamp is one one-thousandth of an amp. By calculating the value in amps and dividing by one thousand, you will have a value of current in milliamps.
What is mA time?
Myr, Mya, or Ma, meaning “million years ago”
What does symbol mA mean?
The symbol for milliampere is mA. The base unit for a milliampere is ampere and the prefix is milli. The prefix milli is derived from the Latin mille meaning one thousand and is symbolized as m. Milli denotes a factor of one thousandth (1/1000th) which means that there are 1,000 milliamperes in an ampere.
How many ohms is 4 megohms?
Megaohm to Ohm Conversion Table
| Megaohms | Ohms |
|---|---|
| 0.000001 MΩ | 1 Ω |
| 0.000002 MΩ | 2 Ω |
| 0.000003 MΩ | 3 Ω |
0.000004 MΩ | 4 Ω |
What is 1K ohm?
Kiloohm is a unit of measurement for electrical resistance. Kiloohm is a multiple of electrical resistance unit ohm. One kiloohm is equal to 1000 ohms.
What is 1M ohm?
M (mega) means millions. So, if 1K means 1,000 ohms, 1M means 1,000,000 ohms.
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