Phy301 Circuit Theory Assignment 01 Close Date November 17, 2014

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Phy301 Circuit Theory Assignment 01 Close Date November 17, 2014




Q. No: 1
A 30V battery is attached to a circuit containing 2 resistors and a fan having 3Ω resistance. Marks 12

1) Calculate the source current Is.
2) Determine the voltages V1, V2, and V3.
3) Calculate the power dissipated by each resistor.
4) Determine the power delivered by the source, and compare it to the sum of the power levels of part (4)

Q. No: 2
Find the equivalent resistances RT of given circuit. Write each step of the calculation to get maximum marks. Draw the circuit diagram of each step otherwise you will loose marks. Marks 10

Q. No: 3
Answer the following short questions. Marks 8

I. An energy saver, of 25 watts is connected across 220V energy source. Calculate the current flowing through it.
II. Give two examples of closed circuit and open circuit from daily life.
III. Given below are some materials. Mention the conductor, semiconductor and Insulator from them.
Silicon, Silver, iron, carbon, glass, copper, rubber.

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Q. No: 1
A 30V battery is attached to a circuit containing 2 resistors and a fan having 3Ω resistance. Marks 12

1) Calculate the source current Is.

formula : I=V/R

Q3)power desipation : P=I^2 R(its means I square into R)


o 2)

Rt=R1+R2

I={R2\(R1+R2) }*I

req= (R1.R2)\(R1+R2) formula

Hint for Q no 2 these formulas will be used in the Solution