a) Find the current in R1 resistor b) Find voltage across R3 resistor in volts

a) Find the magnitude of the current through the 20.0 Ω resistor. b) Find the direction of the current through the 15.0 Ω resistor. Circle one. Explain your answer below.  The current goes toward the lower right of the circuit OR toward the upper left of the circuit. c) Find the voltage drop across the 10.0 Ω resistor.

The emf of the battery in the circuit shown above is 10.0V, while the resistance of each resistor are given below R1 = 1.0ohm R2 = 4.0ohm R3 = 20.0ohm A) what is the equivalent resistance of this circuit B) What is magnitude of the current flowing across resistor R3

R1 R2 a Rg R2 R4 b o 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 Q, R4 = 2 0 and R5 = 6 2. Ω b) If a potential difference of 10 V is applied across points a and b, find the potential difference across R3. V

Which equation is a correct version for the electric power P that a circuit delivers to a resistor?  A) P = R/V       B) P = VR       C) P = V^2/R       D) P = V/R

a) For the circuit shown, find the voltage of the unknown battery E. The ammeter can be considered perfect (i.e. no resistance), and it reads the current in the wire to be 0.5A in the direction shown. b) Find the current I1 and I2 c) Suppose the capacitor C= 2x10-12 F is hooked into the network by joining points A and A', and B and B'. After a short time the ammeter again reads 0.5A, and no current flows in the branch containing the capacitor. Find the charge on the capacitor.

2) The circuit shown contains the following three resistors wired to a 6 V battery: R₁ = 652 R₂ = 852 R3 = 492 a) Calculate the equivalent resistance of the circuit. (2) b) Calculate the voltage across R3. (2) www R₁ Page 2 R₂ R3

Description A circuit is constructed with five resistors and a battery as shown. The values for the resistors are: R1 = R5 = 56 Ω, R2 = 129 Ω, R3 = 81 Ω, and R4 = 84 Ω. The battery voltage is V = 12 V.   Questions 1. What is I1, the current that flows through the resistor R1? 2. What is V4, the voltage across resistor R4?

What is the effective capacitance between the terminals A & B? A) 6 μF                 B) 5 μF                        C) 4 μF                        D) 3 μF

The circuit on the right has three resistors and a 12 V battery. 6Ω 12 V 100 a) What is the total resistance in the circuit? b) How much current is flowing through the R2 resistor? c) How much power is the total circuit using?