Answered: A 300V bulb passes a current of 0.5A.…

A 300V bulb passes a current of 0.5A. Calculate the power in the lamp. O a. 300 W O b. 50 W O c. 75 W O d. 100 W O e. 150 W

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter25: Surge, Spike, And Lightning Protection

Section: Chapter Questions

Problem 3RQ: If a voltage surge lasts for 20 microseconds, what is the frequency of the surge?

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Concept explainers

Unijunction Transistor (UJT)

The Unijunction Transistor (UJT) is a three-terminal switching semiconductor device. It contains an n-shaped silicone object bar with a terminal attached to its two ends known as base one and base two. The third terminal is connected to a highly enclosed p-type material attached to the bar section of its length and is known as emitter. As there is only one corrective cross within the device, it is therefore called the 'Unijunction' transistor. The characteristics of the single junction transistor show the wrong resistance if it finds use in resting oscillator circuits for various applications.

Question

A 300V bulb passes a current of 0.5A. Calculate the power in the lamp.
O a. 300 W
O b. 50 W
O C. 75 W
O d. 100 W
O e. 150 W

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