<p>Two spherical shells have a common center. A -1.00x10<sup>-6</sup> C charge is spread uniformly over theinner shell, which has a radius of 0.050 m. A +5.50x10<sup>-6</sup> C charge is spread uniformly over theouter shell, which has a radius of 0.15 m. Find the magnitude anddirection of the electric field at a distance (measured from thecommon center) of <br /><strong>(a)</strong> 0.20m,<br /><em>E</em> = <inputname="resp_num_c18go_tutorial_1_60_1" type="text"/> <selectname="resp_str_c18go_tutorial_1_60_2"><optionselected="selected"> </option><optionvalue="resp_3">C/N</option><optionvalue="resp_2">N</option><optionvalue="resp_0">N/C</option><optionvalue="resp_1">C</option></select> <selectname="resp_str_c18go_tutorial_1_60_3"><optionselected="selected"> </option><optionvalue="resp_0">radially outward</option><optionvalue="resp_2">no direction</option><optionvalue="resp_1">radiallyinward</option></select><br/><strong>(b)</strong> 0.10 m, <br/><em>E</em> = <inputname="resp_num_c18go_tutorial_1_60_4" type="text"/> <selectname="resp_str_c18go_tutorial_1_60_5"><optionselected="selected"> </option><optionvalue="resp_2">N</option><optionvalue="resp_3">C/N</option><optionvalue="resp_0">N/C</option><optionvalue="resp_1">C</option></select> <selectname="resp_str_c18go_tutorial_1_60_6"><optionselected="selected"> </option><optionvalue="resp_1">radially outward</option><optionvalue="resp_0">radially inward</option><optionvalue="resp_2">no direction</option></select><br/><strong>(c)</strong> 0.025 m.<br/><em>E</em> = <inputname="resp_num_c18go_tutorial_1_60_7" type="text"/> <selectname="resp_str_c18go_tutorial_1_60_8"><optionselected="selected"> </option><optionvalue="resp_0">N/C</option><optionvalue="resp_2">N</option><optionvalue="resp_3">C/N</option><optionvalue="resp_1">C</option></select> <selectname="resp_str_c18go_tutorial_1_60_9"><optionselected="selected"> </option><optionvalue="resp_2">radially inward</option><optionvalue="resp_1">radially outward</option><optionvalue="resp_0">nodirection</option></select></p>
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