electrical-engineering-energy-and-power Related Question Answers

1. A given power supply is capable of providing 6 A for 3.5 h. Its ampere-hour rating is





2. A 15 V source is connected across a 12 resistor. How much energy is used in three minutes?





3. At the end of a 14 day period, your utility bill shows that you have used 18 kWh. What is your average daily power?





4. A 120 resistor must carry a maximum current of 25 mA. Its rating should be at least





5. If you used 400 W of power for 30 h, you have used





6. A 6 V battery is connected to a 300 load. Under these conditions, it is rated at 40 Ah. How long can it supply current to the load?





7. In 40 kW, there are





8. If you used 600 W of power for 60 h, you have used





9. If it takes 400 ms to use 12,000 J of energy, the power is





10. How many watt-hours represent 65 W used for 18 h?





11. For 12 V and 40 mA, the power is





12. A 220 resistor dissipates 3 W. The voltage is





13. A 3.3 k resistor dissipates 0.25 W. The current is





14. A half-watt is equal to how many milliwatts?





15. Three hundred joules of energy are consumed in 15 s. The power is





16. The power rating of a carbon-composition resistor that is to handle up to 1.2 W should be





17. How much continuous current can be drawn from a 60 Ah battery for 14 h?





18. A 75 load uses 2 W of power. The output voltage of the power supply is approximately





19. When the current through a 12 k resistor is 8 mA, the power is





20. A 68 resistor is connected across the terminals of a 3 V battery. The power dissipation of the resistor is





21. The joule is a unit of energy.



22. Power rating is related to resistance value.



23. The power rating of a resistor determines the minimum power that it can handle safely.



24. The capacity of a battery is measured in milliamperes.



25. Energy is equal to power multiplied by voltage.



Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use | Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions
Question ANSWER With Solution