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- 2. The circuit in the figure on the right shows a network of resistors connected in series and in parallel. (a) Determine the total resistance of the network. (b) What is the current through the 3.00-0? E = 60.0 V, r3D 3.00 1 12.0 6.00N 4.0An electric device delivers a current of 5 A for 10 seconds. How many electrons (1.6x10-19 C) flow through this device?Not a graded question. It is a research hypothesis. 1. A copper ros is 3 m long and 4 mm in diameter. Compute its resistance if the resistivity of the materials is 1.76 × 10-8 ohms-m 2. A piece of number 10 aluminum wire has a diameter of 2.59 mm. How many meters of number 10 aluminum wire is needed to give a resistance of 1 ohms? Aluminum has p of 2.8 × 10-8 ohms-m 3. Compute the resistance of a 190-m wire made of silver having a cross-sectional area of 0.55mm2. Silver has a resistivity of 1.6 × 10-8 ohms-m
- 5. How many free electrons are there in a rectangular block of a conductor whose dimension is 8 m by 4 m by 3 m? The electrons of this conductor have a drift velocity of 4 m/s when a 9.6 A of current is applied thru a cross-sectional area of 0.005 m?. Use electronic charge of 1.6 x 10-19 coulomb per electron. Express your answer in scientific notation whose unit is electrons per cubic meter.A hair dryer draws 13.5 AA when plugged into a 120-VV line. Assume direct current. What is its resistance? How much charge passes through it in 18 min ?A handheld electric fan operates on a 3.00-V battery. If the power consumed by the fan is1.77 W, what is the current supplied by the battery?