Arab Academy for Science & Technology & Maritime Transport
(AASTMT – Cairo Branch)
College of Engineering & technology
Electronics & Communication Engineering Department
Course
Course Code
Instructors
Tutors
: Fundamentals of Electricity and Electronics
: EC134
: Dr. Mostafa Fedawy
: Eng. Sherif Eldyasti, Eng. Mostafa Guda
Sheet 3
Problem 1:
Find the missing current values in the following circuit.
I3= 1 mA
I1 = 2 mA
I3
I6
I4 = 4 mA
I2 = 6 mA
Fig. (1)
Problem 2:
For the circuits shown in Fig.(2) Calculate
1. The total resistance of the circuit.
2. The total current
3. The current in each branch (using the current divider method)
4. Show that the total current equal to the branches current (using KCL)
5. The voltage drop at each element
6. The power dissipated in R1, R3, and R5
Fig. (2.a)
Fig. (2.b
Fig. (2.c)
Problem 3:
If the current entering node a is 24 mA. Find the value of R3 that makes the
current divides as follows using only the current divider rule. The values of
the current passing through R1 and R2 are 16 mA and 6 mA respectively.
a