The resistance R of a material when its temperature increases. a) b) decreases c) remains the same d) approaches to zero increases

A charge A of +250 StatC is placed on a line between two charges B of +50 StatC and C of -300 StatC. The charge A is 5 cm from B and 10 cm from C. What is the force on charge A? Use: k = 1 dyne cm²/StatC² +250 StatC +50 StatC -300 StatC B A 5 cm A B 10 cm

Let's say we have a 0.22 μm(micrometer) think Cuwire in a 65 nanometer process. Resistivity of theCu is 2.2 μΩ⋅cm(micro-ohm'centimeter). a) Compute the sheet resistance of the wire

In the figure the ideal batteries have emfs ɛ1 = 20.4 V, ɛ2 = 9.05 V, and ɛ3 = 5.40 V, and the resistances are each 2.40 Q. What are the (a) size and (b) direction (left or right) of current i,? (c) Does battery 1 supply or absorb energy, and (d) what is its power? (e) Does battery 2 supply or absorb energy, and (f) what is its power? (g) Does battery 3 supply or absorb energy, and (h) what is its power? (a) Number i Units (b) (c) (d) Number i Units (e) (f) Number i Units (g) (h) Number i Units