Q1: Fill in the blanks: 1- The total charge entering a terminal between t = Is and t = 2s if the current passing the terminal i = (10-10e-2)A is------ and the current at t=0.5s is-------. 2- The energy in KJ of electric device in one hour is-- If the current entering its positive terminal is i= t'-3t A and voltage v=di/dt. 3- By using Kirchhoff's laws find all currents of branches in figure below R1 2A. 102 ЗА SR4 SR3 100 100 R2 6A 100

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Publisher:Robert L. Boylestad
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Q1: Fill in the blanks:
1- The total charge entering a terminal between t = Is and t = 2s if the current
passing the terminal i = (10-10e-2)A is------ and the current at t=0.5s is-------.
2- The energy in KJ of electric device in one hour is-- If the current entering its positive
terminal is i= t'-3t A and voltage v=di/dt.
3- By using Kirchhoff's laws find all currents of branches in figure below
R1
2A.
102
ЗА
SR4
SR3
100
100
R2
6A
100
Transcribed Image Text:Q1: Fill in the blanks: 1- The total charge entering a terminal between t = Is and t = 2s if the current passing the terminal i = (10-10e-2)A is------ and the current at t=0.5s is-------. 2- The energy in KJ of electric device in one hour is-- If the current entering its positive terminal is i= t'-3t A and voltage v=di/dt. 3- By using Kirchhoff's laws find all currents of branches in figure below R1 2A. 102 ЗА SR4 SR3 100 100 R2 6A 100
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Step 1

NOTE :- We’ll answer the first question since the exact one wasn’t specified. Please submit a new question specifying the one you’d like answered.

 

 

Given,

Total charge entering a terminal between t1 = 1 s and t2 =2 s.

Current passing, i = (10-10e-2t) A

 

Step 2

As it is known from current charge relation,

Electrical Engineering homework question answer, step 2, image 1

Hence, total charge entering is 8.026 C.

 

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