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Physical electronics devices and ics miscellaneous

Physical Electronics Devices and ICs

  1. Determine V2.—


    1. 3.201 V
    2. 0 V
    3. 4.3 V
    4. 1.371 V
Correct Option: D

From the given information we can make the equivalent circuit as shown below:
Applying KVL
10 – 4.7kΩ × I – 0.7 – 2.2 kΩ × I – 5 = 0

or I =
10 – 0.7 – 5
=
4.3 V
= 0.623 mA
(4.7 + 2.2) kΩ6.9 Ω

V2 = I × 2.2 kΩ = 0.623 mA × 2.2 kΩ
or V2 = 1.371 V



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