In the circuit shown, find the total power absorbed by the three resistors. Then find the sum the readings of the two wattmeters. Compare results. 30/50° V 40/-20° V WM. CC₁ PC₁ V₁ WM₂ CC ₂ pc₂ Fig. 15-5 4 f -j4 f 6 Ω 352 :-18 f

In the circuit shown, find the total power absorbed by the three resistors. Then find the sum the readings of the two wattmeters. Compare results. 30/50° V 40/-20° V WM. CC₁ PC₁ V₁ WM₂ CC ₂ pc₂ Fig. 15-5 4 f -j4 f 6 Ω 352 :-18 f

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter22: Resistive-capacitive Parallel Circuits

Section: Chapter Questions

Problem 4RQ: What is the power factor of the circuit in Question 2?

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Concept explainers

Thermistors

A thermistor is a special type of resistor whose resistance is more temperature-dependent than standard resistors. The resistance of the thermistor decreases with increasing temperature. This is the basic principle of thermistors. This allows the thermistor circuit to detect very small temperature changes that cannot be observed with the Resistance temperature detectors (RTDs) or the thermocouples. Since the resistance of a thermistor is temperature dependent, it can be connected to an electrical circuit to measure body temperature. This high sensitivity to temperature changes makes thermistors very useful for accurately controlling and calibrating temperature measurements. In general, resistance increases with increasing temperature in most metals, but thermistors react negatively.

Question

Note: Please write and answer neatly with solutions, thank you!

In the circuit shown, find the total power absorbed by the three resistors. Then find the sum
the readings of the two wattmeters. Compare results.
30/50° V
40/-20° V
I:
WM
cc₁
PC₁
WM₂
pc₂
V₂
Fig. 15-5
4
452
-j4 f
60
352
j4 f
-18 f

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