13 Electric Field Tutorial

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e direction indicated by an electric field P a g e 1 2 of 1 1 D W 72 ¨¤2 C W 72 ¨¤4 B W 74 ¨¤2 A W 74 ¨¤4 wq!Ķ. 4ąnę force values of w ork done and force? from the centre of the sphere, w hat are the ©¥f the sm all charge is now p©¥aced at 1 . 0 m final position w as F . W and the force on the sm all charge in its T he w ork done against the e©¥ectnc field w as center. point to a point 0 . 5 m from the sphere ' s A sm all charge w as brought from a distant large positive charge. insulated from its surroundings and given a P 7 A m eta©¥ sphere of radius 0 . 1 m was J821©¥1©¥21 D 4 ¨¡óv 2 ¡¤ e Q ^ 4 ¨¡D' - 4 nel * ©¡ eQ a at the centre l©¥ rem oved to ©¥nfinlly? electroatatic repu©¥a©¥on when the po©¥nt charge H ow m uch work ©¥©¥ done by the force©¥ of L T ī ©­ ©¥hown In the diagram . by ©¥©¥¡¿ ©¥dentlcal charges at d©¥stance r as P e A point charge is surrounded sym m etrical©¥y J8elU 1 6 D it does not experience a resultant force. aw ay from X . u it experiences a resultant force pushing it back to X . B it experiences a resultant force pulling it A its electric potential energy falls. ©¥f an electron m oves from X to Y , P 5 T he equipotential ©¥ines of a pair of point D tow ards P positive C towards P zero B tow ards Q negative A towards Q zero ęlęctricfieid ¡×! ę ņ ! į a ! point x? the electric fie©¥d and the electric potential at W W C