An incandescent lamp is operated at 120 V, and the current is 0.5 A. What is the resistance of the lamp?

∗ F ro m O h m ′ s L a w : C u rre n t = R es i t an ce V o lt a g e ​ C u rre n t ∗ R es i s t an ce = V o lt a g e R es i s t an ce = C u rre n t V o lt a g e ​ R es i s t an ce = 0 , 5 A 120 V ​ R es i s t an ce = 240 O hm s

Answered by luana | 2024-06-10

The resistance of the lamp can be calculated using Ohm's Law, which is R = V/I. For the given values, the resistance is found to be 240 ohms. Therefore, the lamp has a resistance of 240 ohms.
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Answered by luana | 2024-09-26