Figure 21.55shows how a bleeder resistor is used to discharge a capacitor after an electronicdevice is shut off, allowing a person to work on the electronics with less risk of shock. (a) Whatis the time constant? (Answer in Seconds)ElectroniccircuitC=80 µFFigure 21.55R250 ΚΩ

Answered: Image /qna-images/answer/84c2bd1e-698f-4e07-876a-38300dd581d1.jpg

Answered: Figure 21.55 shows how a bleeder…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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(a) A well-insulated electric water heater warms 113 kg of water from 20.0°C to 41.0°C in 29.0 min. Find the resistance (in Q2) of its heating element, which is connected across a 240 V potential difference. |ი (b) What If? How much additional time (in min) would it take the heater to raise the temperature of the water from 41.0°C to 100°C? min (c) What would be the total amount of time (in min) required to evaporate all of the water in the heater starting from 20.0°C? min
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Mercury is often used in thermometers. The mercury sits in a bulb on the bottom of the thermometer and rises up a thin capillary tube as the temperature rises. Suppose a mercury thermometer contains 8,380g of mercury and has a capillary that is 0.400mm in diameter. How far does the mercury rise in the capillary when the temperature changes from 0.0 0C to 25.0 0C?
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Fluid material
FLUID MECHANICS: THE ENERGY EQUATION: The attached image shows a common consumer product called a water pik. The device uses a motor to drive a piston pump that produces a jet of water (d = 3mm, T = 10oC) with a speed of 25m/s. Estimate the minimum electrical power in Watts that is required by this device. Hints: (a) Assume the power is only used to produce kinetic energy of the water in the jet. (b) In the time interval delta t, the amount of mass that flows out of the nozzle is delta m, and the corresponding amount of kinetic energy is (delta m V2/2)

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Figure 21.55 shows how a bleeder resistor is used to discharge a capacitor after an electronic device is shut off, allowing a person to work on the electronics with less risk of shock. (a) What is the time constant? (Answer in Seconds) Electronic circuit C= 80 µF Figure 21.55 R 250 ΚΩ