Part A An electric device draws 6.60 A at 240 V If the voltage drops by 20 % , what will be the current, assuming nothing else changes? Express your answer to two significant figures and include the appropriate units. HA Ifinal = Value Units Submit Request Answer Part B If the resistance of the device were reduced by 20 % what current would be drawn at 240 V? Express your answer to two significant figures and include the appropriate units. Innal Value Units

IP Three resistors, R₁ = 30, R2 = 68 2, and R3 = R, are connected in parallel with a 12 V battery. Part A The total current flowing through the battery is 0.88 A. Find the value of resistance R. Express your answer using two significant figures. R= Submit Part B I1, I2, I3 = | ΑΣΦ Submit 3 Request Answer Find the current through each resistor. Enter your answers numerically separated by commas. Express your answers using two significant figures. [ΨΕΙ ΑΣΦ ? Request Answer Ω ? A

A material is formed into a long rod with a square cross-section 0.50 cm on each side. When a 112 VV voltage is applied across a 20-mm length of the rod, a 4.0 AA current is carried.     Part A What is the resistivity of the material? Express your answer using two significant figures.

Determine the magnitudes and directions of the currents in each resistor shown in the figure. The batteries have emfs of E1 = 8.2 V and E2= 11.8 V and the resistors have values of R1 = 30 Ω , R2 = 36 Ω , and R3 = 34 Ω.  Part A) Ignore internal resistance of the batteries. Express your answers using two significant figures. Enter your answers numerically separated by commas. Part B) Which way is I1 directed?  Part C) Which way is I2 directed?  Part D) Which was is I3 directed?  Part E)  Assume each battery has internal resistance 1.3 Ω .Express your answers using two significant figures. Enter your answers numerically separated by commas. Part F) Directions of all I?  Sorry for the length! thank you!