R1 R2 a R2 R4 R5 R1 a) Find the equivalent resistance of the combination of resistors shown in the figure above. R1 = 4 Q, R2 = 5 Q, R3 = 5 N, R4 = 2 2 and R5 = 6 . Ω b) If a potential difference of 10 V is applied across points a and b, find the potential difference across R3. V

1. (a)Find the charge stored in each capacitor in the figure below Given: C=2 µF, C,= 3µF, C;= lµF, V=120 V (b) If all of the capacitors were 10 2 resistors instead, what would the equivalent resistance? C2 C3

Example1: a) A battery has internal resistance r = 0.005 N when it is new. The internal resistance increases to r = 2.0 N when the battery gets old. What happens to the voltage of the ideal battery, ɛ ? Circle one. a Increase I decrease I stays the same Fig A b) What happens to the terminal voltage Vab between points a and b as the battery gets older. Increase I decrease | stays the same

QU5 a). A circuit consist of five resistors connected as below, determine the effective resistance in the circuit. R3 R5 R2 R4 Given that R1, R2,R3,R4 and R are given respectively as 500, 250, 300, 600 and 700Q, what is the current in the circuit if the potential across the resistors is 24 V?

Two resistors R₁ and R2 (where R₁ = R₂) are connected in parallel to an ideal battery. Which of the following is NOT true? 1) R₁ R₂ OF O The current through R₁ is equal to the current through R2. The total resistance is greater than either R₁ or R2. O The total resistance is less than either R₁ or R2. O The voltage across R₁ is equal to the voltage across R2.

Resistors R1 = 3.0 Q and R2 = 5.0 Q are connected to a battery as shown. The current through resistor R2 is 2.0 A. V a) What is the current through resistor R1? b) What is the voltage across the battery? R1 R2 c) What is the voltage across resistor R2?

P1

Given the combination of resistors below: If R1 = R2 = R3 = R4 = R5 = R6= 14 Ω, and V = 15 V, what is the current (in A) through R2?

9

R1 = 4.1 ΩΩ R2= 7.8 ΩΩ R3= 7ΩΩ R4= 9.7 ΩΩ R5= 6.4 ΩΩ R6= 7.3 ΩΩ When a 9.7 - volt battery is connected across point A and B. Find the individual current and Voltages across each resistors In the next question, you will be asked with your answer.  (Make a table for the answers)