Question

СРОЧНО!!! Электрическая лампа имеет сопротивление 497 Ом. Вычисли мощность тока в лампе, если она рассчитана на напряжение 240 В. Мощность тока в лампе равна-?Вт. Ответ округли до целых. ​

Answer 1

Відповідь:

116Вт

Пояснення:

Р=U²/R⇒240²/497=115.8≈116

Answer 2

Calculation of Power in the Lamp

To calculate the power in the lamp, we can use the formula:

Power (P) = (Voltage (V))^2 / Resistance (R)

Given that the resistance of the lamp is 497 Ω and the voltage is 240 V, we can substitute these values into the formula to find the power.

Power (P) = (240 V)^2 / 497 Ω

Let's calculate the power using this formula.

Power (P) = (240^2) / 497

Using a calculator, we find that the power in the lamp is approximately 116.1 watts. Since we need to round the answer to the nearest whole number, the power in the lamp is approximately 116 watts.

Please note that the power calculated here assumes that the lamp operates under ideal conditions and that the resistance remains constant. In practice, the power consumption of a lamp may vary due to factors such as temperature and fluctuations in the power supply.

I hope this helps! Let me know if you have any further questions.