Energy in capacitors: Two square air-filled parallel plates that are initially uncharged are separated by 1.2 mm, and each of them has an area of 190 mm2. How much charge must be transferred from one plate to the other if 1.1 nJ of energy are to be stored in the plates? (

Coulomb’s law: A + 7.00

Resistivity: A cylindrical wire has a resistance R and resistivity

Parallel-plate capacitors: A parallel-plate capacitor has plates of area 0.60 m2 and plate separation of 0.20 mm. The capacitor is connected across a 12.0 V potential source. (

Ohm’s law: How much current will be flowing through a 40.0 m length of cylindrical metal wire with radius 0.0 mm if it is connected to a source supplying 16.0 V?  The resistivity of this metal is 1.68 × 10-8

RC circuits: A  4.0 mF capacitor is discharged through a  4.0 k

Equipotential surfaces: A negative charge is moved from point A to point B along an equipotential surface. Which of the following statements must be true for this case?

Electric field in a wire: A tube of mercury with resistivity 9.84 × 10-7

Power: A certain electric furnace consumes 24 kW when it is connected to a 240 V line. What is the resistance of the furnace?

Ohm’s law: A cylindrical wire of radius  2.0 mm carries a current of  2.5 A. The potential difference between points on the wire that are  46 m apart is  3.7 V.(a) What is the electric field in the wire?  (2 points)(b) What is the resistivity of the material of which the wire is made? (2 points)