electronics-ohms-law Related Question Answers

1. What is the kilowatt-hour consumption of a 40 W lamp if it remains on for 1750 h?





2. A damaged resistor





3. Power supplies differ from batteries in that





4. What is the resistor value in the given circuit?





5. If voltage across a resistance doubles





6. What is the power in the given circuit?





7. Ohm's law describes the mathematical relationship between





8. Energy is defined as the ability to





9. What electromotive force would cause 20 A of current to flow through a 500 resistor?





10. The rate at which work is performed is called





11. A battery's capacity to deliver power is measured in





12. Power supplies are regulated to prevent the output voltage from changing due to changes in the





13. Fill up the blank spaces with correct answers: You should avail ......... of every opportunity to practice English.?





14. If current through a resistance is halved





15. Ohm's law is a relationship between





16. If the voltage in the given circuit was cut in half, what would the current equal?





17. Using 4 kWh of power is equivalent to using 2000 W of power for 2 h.



18. The current through a resistor can be found by dividing the resistor's voltage by its ohmic value.



19. The voltage drop across a resistor is simply a difference of potential across that resistor.



20. Doubling the voltage across a resistor will cut the current by half.



21. Current and voltage have a nonlinear relationship.



22. The efficiency rating of a power supply is determined by internal power loss.



23. The value of a resistor is in direct proportion to its power handling capabilities.



24. Heat produced by a resistor is generally a desirable effect.



25. Power is a measure of how fast current is flowing.



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