How many milliamps is one ampere

RELATED INFORMATIONS

• 1. How many milliamps is a battery equal to one ampere
• 2. The current flowing through a small flashlight bulb is about 0.25A, which is equal to how many ma? The maximum power supply current of a semiconductor radio battery can reach 120mA, which is equal to how many a?
• 3. The voltage at both ends of a small flashlight bulb is 2.5V, and the measured current is 250mA. What is the resistance of the small flashlight bulb?
• 4. Conversion of mathematical units: one year equals many hours It's a lot of minutes, a lot of seconds
• 5. Ask an expert: is it right to say that one kilowatt equals one kilovolt ampere?
• 6. How many kilograms is one kilogram equal to
• 7. One kilogram is equal to 1000 grams. How many grams is 1000 kilograms equal to
• 8. Two 48 V 20 a batteries make up a 48 V 40 a charger. How many a?
• 9. Xiao Ming wants to choose one of the two kinds of lamps. One is a 10 watt energy-saving lamp, which costs 32 yuan; the other is a 40 watt incandescent lamp, which costs 2 yuan. The two kinds of lamps have the same lighting effect and the same service life. If the electricity charge is 0.5 yuan / kwh, which lamp do you choose to buy?
• 10. How many watts is 10400 ma
• 11. How many feet is 70 square meters?
• 12. How many amperes does a kilowatt have in a 220 volt circuit? How is it calculated?
• 13. Calculation formula of 220V 1kW current
• 14. When the voltage at both ends of a conductor is 3 V, the current passing through it is 200 ma. What is the resistance of the conductor Now increase the voltage to 5 v. if there are two kinds of ammeters with 0-0.6 A and 0-0.3 a ranges, which range should be chosen to measure the current of conductor?
• 15. The power is 400W. The voltage is 220V. The current is 2.9a. The frequency is 50Hz. How much electricity does it take in an hour? The answer must be 100% correct. The formula and the meaning of the letters in the formula must be written clearly. And the unit
• 16. What we usually call the "degree" of several degrees of electricity is actually a unit of. How many joules is one degree equal to
• 17. The calorific value of gasoline is 4.6 × 107 J / kg, and its physical meaning is that 5 kg gasoline can release J heat completely
• 18. The calorific value of gasoline is 4.6 × 10 7 J / kg. When 210 g gasoline is burned completely, it can release () J heat. If all the heat is absorbed by water, it can make the gasoline more stable () kg of water, from 20 ℃ to 43 ℃, [whose specific heat capacity is 4.2 × 10 & # 179; J / (kg * ℃)]
• 19. The calorific value of charcoal can be calculated by 6.8 × 10 6 power J / kg
• 20. How many joules is the heat of alcohol increased by one degree