How many kilograms is one kilogram equal to

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• 1. One kilogram is equal to 1000 grams. How many grams is 1000 kilograms equal to
• 2. Two 48 V 20 a batteries make up a 48 V 40 a charger. How many a?
• 3. 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?
• 4. How many watts is 10400 ma
• 5. How many watts is 1000 ma
• 6. How many milliamps is equal to how many watts The 12 volt circuit is equipped with 100 LED lights, each of which is 0.8 ma Tell me how to calculate? It's three in series, back in parallel
• 7. How many degrees is a 5% slope converted into an angle!
• 8. 3.479917 converted into degrees, how to calculate?
• 9. Last month's electricity consumption was 220 kwh, and this month's electricity consumption was 310 kwh, totaling 46.8 yuan
• 10. My family used 85 kwh of electricity last month, and the electricity charge was 47.6 yuan. My family used 50 kwh last month, how much is the electricity charge? Proportional solution Is it a positive ratio or a housing ratio
• 11. Ask an expert: is it right to say that one kilowatt equals one kilovolt ampere?
• 12. Conversion of mathematical units: one year equals many hours It's a lot of minutes, a lot of seconds
• 13. 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?
• 14. 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?
• 15. How many milliamps is a battery equal to one ampere
• 16. How many milliamps is one ampere
• 17. How many feet is 70 square meters?
• 18. How many amperes does a kilowatt have in a 220 volt circuit? How is it calculated?
• 19. Calculation formula of 220V 1kW current
• 20. 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?