Problem 11: The voltmeter in the circuit to the right may be considered to ideal. The values are =15.0 V internal resistance r = 5.00…

Problem 10: Find the terminal potential difference of each cell in the circuit. Solution If we find the potential drop by the internal resistance and…

Problem 7: Calculate the current through a single loop circuit if ε= 120 V , R = 1000 Ω and internal resistance r = 0.01…

Problem 8: Find the current flowing through the resistors of the fig. Solution We apply KVL to solve this problem. (Remember the problem is too…

Problem 1: A battery has an emf of 12.8 V and supplies a current of 3.2A. What is the resistance of the circuit? How many…

Problem 2: A carbon electrode has a resistance of 0.125 at 20oC.The temperature coefficient of carbon is -0.0005 at 20oC. What will be the resistance…

Problem 3: Calculate the resistance of wire 10 m long that has a diameter of 2 mm and resistivity 2.63 * 10-2 Ω m. Solution…

Problem 4: A typical 12 V automobile battery has a resistance of 0.012 Ω. What is the terminal voltage of this battery when the starter…

Problem 5: A 10 watt resistor has a value of 120 Ω. What is rated current through the resistor? Solution Quite easy. The resistance of…

Problem 6: A resistor of 50 Ω has a P.D of 100 V, D.C. across 1 hour. Calculate (a) power and (b) energy. Solution Given …