Here is a cylinder on whose surfaces there is an electric field whose direction

Question

Here is a cylinder on whose surfaces there is an electric field whose direction is vertically upward, but whose magnitude varies as shown. The cylinder encloses: not negative charge. not positive charge. no net charge. There is not enough information available to determine whether or not there is net charge inside the cylinder. For the thermal process shown to the right on a PV diagram, the ideal gas starts at die point labeled "i" and finishes at die point labeled "f". Indicate what is happening for each quantity listed below Pressure: increase decrease constant Volume: increase decrease constant Temperature: increase decrease constant Work: positive negative zero Which one of the following correctly lists two ways to decrease the resistance front a single piece of wire? increase the length of the wire or increase the area across the wire increase the length of the wire or decrease the area across the wire decrease the length of the wire or increase the area across the wire decrease the length of the wire or decrease the area across the wire Current flows to the left through a horizontal wire in a region of space where the magnetic field is pointed out of the page. What is the direction of the force on this wire? to the right to the left upwards downwards out of the paper into the paper

Explanation / Answer

6)C

7)PRESSURE -- INCREASES, VOLUME -- INCREASES,WORK - POSITIVE, TEMPARATURE -- INCREASES

8)C,

R = RESISTIVITY*N/AREA

9)C, FLEMINGS LEFT HAND RULE

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