a. What is the equivalent resistance for this circuit? R1=10 2 R3=4 2 R2=1 2 12 V R4=1 2 b. What total current in the circuit? с. What is the current through R1? d. What is the current through R2? What is the current through R3? е. f. What is the current through R4? g. What is the voltage drop across R1? h. What is the voltage drop across R2?

a. What is the equivalent resistance of this circuit? Give your answer in Ohms b. What is the current provided by the battery? c. What is the voltage drop across Resistor 1 (R1)? d. What is the current through Resistor 2 (R2)? e. Since R3 and R4 are in series, the current through them must be equal (I3 = I4). What is this current? f. What is the total power dissipated by this circuit? Remember that total power dissipated is the sum of the power dissipated by each resistor.

5 V 1. For the circuit below, the total current drawn by the circuit is 0.40 A. + a. What is the voltage (in V) across each light bulb? (3) b. Determine the current (in A) in each light (3) bulb. c. What is the equivalent resistance (in 2) of the two branches in parallel? (2) d. What is the total resistance (in 2) of the circuit? (2) R₁ = 7 Ω R₂ = 90 R3 = 130

A metal wire of resistance R is cut into two pieces of equal length. The two pieces are connected together side by side.What is the resistance of the two connected wires?A. R/4        B. R/2       C. R         D. 2R         E. 4R

A circuit containing five resistors connected to a battery with a 12 V emf is shown below. What is the potential difference across the 5 ohm resistor? What is the current flowing through the 12 ohm resistor?

Two identical lightbulbs are connected in series to a single 9.0 V battery.a. Sketch the circuit.b. Sketch a graph showing the potential as a function of distance through the circuit, starting with V = 0 V at the negative terminal of the battery.

A battery is connected to three resistances 5 ohm, 4 ohm & 3 ohm which are connected in series.  a. Find the effective resistance of the circuit? b. Suppose 5 ohm resistor has a voltage of 12 V across it. What is the value of current through each of the resistors? c. What is the value of the battery voltage?

D nected in series and placed across a potential difference of 50 V. What is a. the equivalent resistance of the circuit? b. the current in the circuit? c. the voltage drop across each lamp? d. the power dissipated in each lamp? A 20.0-2 lamp and a 5.0-2 lamp are con-

A. What is the internal resistance of a 12.0-V car battery whose terminal voltage drops to 9.6 V when the starter motor draws 81 A ? B. What is the resistance of the starter?

three light bulbs with an internal resistance of 1ohm each are wired first in series and then in parallel. each time they are connected to a 12v battery.  which of teh following statement is true   a. the equivalent resistance of the circuit will be greater when they are wired in parallel. b. the current through each light bulb will be greater when they are wired in parallel c. the voltage drop across each resistor will be greater when they are wired in series d. the light bulb will burn brighter when they are wired in series