EBK ELECTRICAL WIRING RESIDENTIAL
EBK ELECTRICAL WIRING RESIDENTIAL
19th Edition
ISBN: 9781337516549
Author: Simmons
Publisher: CENGAGE LEARNING - CONSIGNMENT
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Chapter 13, Problem 21R

Why should the power be turned off when hooking up a dimmer? ___________________

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A Single Phase Motor is connected to a 120 Volt, 60 Hz line.  The motor has a current draw of 15.7 amperes.  A watt meter indicates the motor is actually using 1.340 watts.  Find the following: Apparent power:  ___________________________________________________________________________________________ Power factor of the motor;  _________________________________________________________________________________ Reactive power of the motor:  ________________________________________________________________________________ Capacitance needed to correct the power factor to 100%:  ____________________________________________________ Capacitance needed to correct the power factor to 95%:  _____________________________________________________
___________ is an Area on a device characteristic where the ratio between applied voltage and resulting current is constant.
iF AN AMMETER WAS CONNECTED BETWEEN SWITCH1 AND POTENTIOMETER R1, HOW MUCH CURRENT WOULD IT INDICATE AT E(min) and E(max) IE(min)=__________________________mAdc IE(max)=__________________________mAdc
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EBK ELECTRICAL WIRING RESIDENTIAL
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ISBN:9781337516549
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