QI)I- If a conductor with a current of 200 mA passing through it converts 40 J of electrical energy into heat in 30 s,what is the potential drop across the conductor?2- The resistance of a copper wire is 0.92 2 at 4°C. At what temperature (°C) will it be 1.06 2?3-Find the range in which a resistor having the following color bands must exist to satisfy the manufacturer'stolerance4-A 172-W resistor has a resistance of 1000 2. What is the maximum current that it can safely handle?5- What is the total cost of using 720wattsfor 30min, 640watts for 2hours and 360 watts for 60 min at 9¢ perkilowatthour?Q2) Find the unknown quantities in the circuit of Fig.land Fig.2R1R3R410 210nP- 30 W100 VR30 NR,R 10n30 ! R.R:2AP.R2 P3Good tuckDr. Ibrahim AljubouriFig.1.Fig.2.

Since there are multiple questions present, according to company policy we will be answering only…

Answered: If a conductor wvith a current of 200…

If a conductor wvith a current of 200 mA passing through it converts 40 J of electrical energy into heat in 30 s, what is the potential drop acróss the conductor?

EBK ELECTRICAL WIRING RESIDENTIAL

19th Edition

ISBN:9781337516549

Author:Simmons

Publisher:Simmons

Chapter6: Ground-fault Circuit Interrupters, Arc-fault Circuit Interrupters, Surge Protective Devices, Immersion Detection Circuit Interrupters, And Appliance Leakage Current Interrupters

Section: Chapter Questions

Problem 26R

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Question

QI)I- If a conductor with a current of 200 mA passing through it converts 40 J of electrical energy into heat in 30 s,
what is the potential drop across the conductor?
2- The resistance of a copper wire is 0.92 2 at 4°C. At what temperature (°C) will it be 1.06 2?
3-Find the range in which a resistor having the following color bands must exist to satisfy the manufacturer's
tolerance
4-A 172-W resistor has a resistance of 1000 2. What is the maximum current that it can safely handle?
5- What is the total cost of using 720wattsfor 30min, 640watts for 2hours and 360 watts for 60 min at 9¢ per
kilowatthour?
Q2) Find the unknown quantities in the circuit of Fig.land Fig.2
R1
R3
R4
10 2
10n
P- 30 W
100 V
R30 N
R,
R 10n
30 ! R.
R:
2A
P.
R2 P3
Good tuck
Dr. Ibrahim Aljubouri
Fig.1.
Fig.2.

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