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# Assignment 5 (Spring 2011)

Circuit Theory (PHY301)

Marks: 30

Due Date: June 24, 2011

DON’T MISS THESE Important instructions:

• To solve this assignment, you should have good command over first 34 lectures.
• Upload assignments properly through LMS, (No Assignment will be accepted through email)..
• You can draw circuit diagrams in “Paint” or in “Corel Draw”. The simple and easy way is to copy the given image in Paint and do the required changes in it.

Q.1.

Find VO Using Norton’s theorem in the network given below.

Show each step of calculation otherwise you will lose your marks. Draw and label the circuit diagram of each step and also mention the units of each derived value.

Q.2

Below figure shows a circuit for charging a 12volts battery. If Vs is a sinusoid with 12V peak amplitude, find the fraction of each cycle during which the diode conducts also find the peak value of the diode current and the maximum reverse biases voltage that appears across the diode.

Q.3

Consider a diode with n = 1 biased at 2mA. Find the change in current as a result of changing          the voltage by

(a) – 10 mV  (b) –5 mV (c) 10mV

In each case do calculations

(1) using small signal model

(2) using the exponential model.

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### Replies to This Discussion

Please Discuss here about this assignment.Thanks

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Please discuss here about this assignment
2 quation tu hal kar liay hay par 3rd quation ki samag nahi aa rahi . ager kisi ko kuch idea hay tu please discuss soon.
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Thanks brother. 3rd ka solution b try kero yaar

yar ap log bi kuch  hint do. mujay book me say ko samaj nahi aa rahi

3rd quation ka solution mil gia hay kuch calculation me mistaqs hay un ko correct kar lana

Attachments:

ghulam dastageer aaalllaaa yar bht achi try ki hy tum ne aallla

See the attached file for complete solution of PHY301 Assignment#05 Spring 2011
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