(Solved): A long  conducting circular rod is inside a long conducting square enclosure The rod is ma ...

A long  conducting circular rod is inside a long conducting square enclosure
The rod is maintained at a potential of -5000 volts with respect to the square which is grounded (V=0). The contour lines are equipotential with V= -4000, -3000, -2000. -1000 V 

The \( x \)-component of the \( E \)-field at 2 is zero. GA: True OB: False OC:N OD:NE OE:E OF:SE OG:S|OH:SW|OI:W|OJ:NW The x-component of the E-field at 6 is positive. A: True B: False: OC:N OD:NE OE: EF:SElOG:S:O: SW:OI:W OJ:NW The direction of the E-field at 3 is ... OA: TruelOB: False OC:N OD:NE:QE:E OF: SE OG:S OH:SW OI:W O: NW The direction of the force on a small ( \( -) \) charge at 1 is ... OA: True OB: FaIse OC:N OD:NE OE: E OF:SE O6:5 OH:SW OI:W OJ: NW The magnitude of the E-field at 5 is very small ( \( \sim \) zero). OA: True OB: Faise OC:N OD:NE OE:E OF:SE OG:S OH:SW OI: W O: NW The magnitude of the E-field at 3 is greater than that at 6 OA: True OB: False OC: N OD:NE OE: E OF: SE OG:S OH:SW OI: W O : NW Tries \( 0 / 12 \) Calculate the work which would be required to move a charge \( Q=-72.1 \mathrm{nC} \) from ' 7 ' to ' 9 '. (in J)