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# PHY301-Circuit Theory Assignment no. 1 Solution FALL 2018 Due date: 22 November, 2018

Subject: PHY301-Circuit Theory
Semester: FALL 2018
Assignment No. 1
Total Marks: 25
Due date: 22 November, 2018

 PHY301-Assignment no. 1 SOLUTION FALL 2018

PHY301-Circuit Theory Assignment #Instructions

DON’T miss these important instructions:

· To solve this assignment, you should have good command over first 6 lectures.
· Upload assignments properly through LMS, (No Assignment will be accepted through email).
· All students are directed to use the font and style of text as is used in this document.
· Don’t use colorful back grounds in your solution files.
· Use Math Type or Equation Editor etc for mathematical symbols.
· No excuse will be accepted by anyone if found to be copying or letting others copy.
· Don’t wait for the last date to submit your assignment.
· You can draw circuit diagrams in “Paint” in “Corel Draw” or in “circuit maker”. The simple and easy way is to copy the given image in Paint and do the required changes in it.

PHY301-Circuit Theory Assignment #Questions
Q: 1:

Find the total resistance between the positive and negative terminal of the battery also calculate current of the equivalent circuit. Draw and label the circuit diagram of each step, otherwise you will lose your marks. Write each step of calculation to get maximum marks

Q: 2:

Consider the circuit arrangement shown in fig. below.

(1)   Find the current I through the network.

(2)   Calculate the current through each resistor

(3)   Calculate the power dissipated across resistance R1

(Note: mention the unit of each derived quantity)

Q: 3:

Given below is a simple circuit containing battery, bulbs and two switches.

Describe the current flow in the circuit and bulb (glow or not) for each given condition

1. When switch 1is ON and switch 2 is OFF.
2. When both switches are ON.
3. When switch 1 is ON and switch 2 is directly connected without bulb (short)

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