CH # 12 Current Electricity ISolved Numerical Problems I 2nd Year Federal, KPK Board 2021 Edition скачать в хорошем качестве

CH # 12 Current Electricity ISolved Numerical Problems I 2nd Year Federal, KPK Board 2021 Edition

Assalamualikum Dear students in this video we are going to Solve numerical problems of CH # 12 Current Electricity. These Numerical problems are related to all the topics covered in this chapter. For more details please watch the video and share it with your friends and classmates. If you have questions drop them in the comments INSHAALLAH I will answer them. Keep supporting and please subscribe to my channel for more related videos. Remember me in your Prayers. JAZAK ALLAH Steady Current:    • Steady Current I Unit # 12.1 I Ch # 12 Cur...   Ohm's Law    • Ohm's law I Unit # 12.2 I CH # Current Ele...   Electrical Resistance    • Electrical Resistance I Unit # 12.3 I CH #...   Effect Of Temperature On-Resistance    • Effect of Temperature on Resistance I Unit...   Wire Wound Variable Resistors    • Wire Wound Variable Resistors I Rheostats ...   Thermistors    • Thermistors I Unit # 12.6 I CH # 12 Curren...   Electromotive Force    • Electromotive Force I Unit # 12.7 I CH # 1...   Internal Resistance of a SUpply    • 12.8 Internal Resistance Of a Supply I CH ...   Electric Power    • 12.9 Electric Power I CH # 12 Current Elec...   Maximum Power Output    • 12.10 Maximum Power Output I Ch # 12 Curre...   ThermoCouple    • 12.11 Thermo-couples I CH # 12 Current Ele...   Variation In thermo Emf with Temperature    • 12.13 Variation In Thermo-Electric EMF Wit...   Kirchhoff's Current Law    • 12.13 Kirchhoff's law I Kirchhoff's Curren...   Kirchhoff's Voltage Law    • 12.14 Kirchhoff's Voltage Law I CH # 12 Cu...   Wheatstone Bridge    • 12.14 Wheatstone Bridge I CH # 12 Current ...   Potentiometer    • 12.15 Potentiometer I CH # 12 Current Elec...   Examples and Assignments    • Examples And Assignments I CH # 12 Current...   Conceptual Questions    • Multiple Choice Question I CH # 12 Current...   1. A battery has an e.m.f. of 12.8V and supplies a current of 3.2A. What is the resistance of the circuit? How many coulombs leave the battery in 5 minute? 2. Two light bulbs designed for 120V use are rated at 40W and 60W. Which light bulb has the greater filament resistance? Why? 3. A carbon electrode has a resistance of 0.125Ω at 20oC. The temperature co-efficient of carbon is -0.0005 at 20oC. What will be the resistance of the electrode at 85oC. 4. Calculate the resistance of wire 10m long that has a diameter of 2mm and resistivity of 2.63×〖10〗^(-2) Ωm. 5. A typical 12V automobile battery has a resistance of 0.012Ω. What is the terminal voltage of this battery when the starter draws a current of 100A? Calculate the R,P_ε & P_R and P_r. 6. A 10watt resistor has a value of 120Ω. What is the current through the resistor? 7. A resistor of 50Ω has a P.D. of 100V, D.C. across 1 hour. Calculate (a) Power and (b) Energy. 8.Calculate the current through a single loop circuit if ε=120V,R=1000Ω and internal resistance r= 0.01Ω. 9. Find the terminal potential difference of each cell in circuit of figure. 10. The voltmeter in the circuit at the right may be considered to be ideal. Values are ε=15.0V;internal resistance r=5.00Ω; R_1=100Ω; R_2=300Ω. Calculate the current in R_1. 11. Three arms of a Wheatstone Bridge are of 75Ω each. What is the resistance of the fourth arm?