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