Tiêu đề Notes_08.Electric Field - Potential_08.Electric Field - Potential.pdf ✅

www.thinkiit.in Page 1 thinkIIT ELECTRIC FIELD & POTENTIAL OBJECTIVE-1 1. fuEu iznf'kZr fp=k esa ,d fo|qr {ks=k ls lEc) fo|qr cy js[kk,sa n'kkZ;h xbZ gSA A B C fp=k ls fu"d"kZ fudyrk gS fd& [1] EA > EB > EC [2] EA = EB = EC [3] EA = EC > EB [4] EA = EC < EB 2. tc nks vkos'kksa d s e/; n wjh c< +kbZ tkrh g S rks vkos'kksa dh fo|qr fLFkfrt ÅtkZ& [1] c<+rh gSA [2] ?kVrh gSA [3] iwoZor~ jgrh gSA [4] c< + ;k ?kV ldrh gSA 3. ;fn ,d /kukRed vkos'k fuEu foHko {ks=k ls mPp foHko {ks=k es a ys tk;k tkrk gS rks fo| qr fLFkfrt ÅtkZ& [1] c<+rh gSA [2] ?kVrh gSA [3] iwoZor~ jgrh gSA [4] c< + ;k ?kV ldrh gSA 4. nks leku /kukRed vko s'k fcUn q A o B ij j[ks gSA A ls B dh vksj pyr s gq, fcUnq A o B ds e/; fo|qr foHko dk v/;;u 1⁄4bu fcUnqvksa d s vfrfjDr1⁄2 fd;k tkrk gSA fo|qr foHko& [1] yxkrkj c< +rk gSA [2] yxkrkj ?kVrk gSA [3] igys c<+rk gS fQj ?kVrk gSA [4] igys ?kVrk gS fQj c<+rk gSA 5. ewy fcUn q ij fo|qr {ks=k /kukRed x-v{k ds vuqfn'k gSA ewy fcUnq dks dsUnz ekurs gq, ,d NksVk o Ùk [khapk tkrk gS tks v{kksa dks A, B, C o D fcUnqvksa ij dkVrk gSA bu fcUn qvksa ds funs Z'kkad Øe'k% (9, 0), (0, 9), (–9, 0), (0, –9) gSA o Ùk dh ifjfèk ij fLFkr fcUnqvksa es a ls U;wure foHko gksxk& [1] A ij [2] B ij [3] C ij [4] D ij
www.thinkiit.in Page 2 thinkIIT 6. ;fn ,d fudk; dks jxM+dj vkosf'kr fd;k tkrk gS rks bldk nzO;eku& [1] fu;r jgrk gSA [2] FkksM+k lk c< +rk gSA [3] FkksM+k lk ?kVrk gSA [4] FkksM+k lk c< + vFkok FkksM +k lk ?kV ldrk gSA 7. ,d fo|qr f}/kz qo dks ,d leku fo| qr {ks=k es a j[kk tkrk gSA f}/kzqo ij dqy fo|qr cy& [1] ge s'kk 'kwU; gksrk g S [2] f}/kz qo ds vfHkfoU;kl ij fuHkZj djrk gS [3] dHkh Hkh 'kwU; ugha gks ldrk g S [4] f}/kqzo ds lkeF;Z ij fuHkZj djrk gSA 8. fuEu i znf'kZr fp=k ij fopkj fdft,A A B C q P fcUnq vkos'k dks P ls A rd ys tkus esa WA , P ls B rd y s tku s esa WB rFkk P ls C rd ys tkus esa WC dk;Z djuk iM+rk gS& [1] WA < WB < WC [2] WA > WB > WC [3] WA = WB = WC [4] dksb Z ugha 9. ,d fcUn q vkos'k q dks ,d vU; fcUnq vko s'k Q }kjk mRiUu fo| qr {ks=k es a ,d o Ùk ds vu qfn'k ?kqek;k tkrk g SA fo|qr {ks=k }kjk ,d iw.kZ pØ es a ?kwf.kZr vkos'k ij fd;k x;k dk;Z gksxk& [1] 'kwU; [2] /kukRed [3] _.kkRed [4] 'kwU; ;fn vko s'k Q dsUnz ij gS vFkok v'kwU;A
www.thinkiit.in Page 3 thinkIIT OBJECTIVE-2 1. fuEu esa ls lgh fodYi gS& [1] fo'o dk dqy vkos'k fu;r gSA [2] fo'o dk dqy /kukRed vkos'k fu;r gSA [3] fo'o dk dqy _.kkRed vkos'k fu;r gSA [4] fo'o es a vko sf'kr d.kksa dh dqy la[;k fu;r gSA 2. ,d fcUn q vko s'k ,d fo| qr {ks=k esa yk;k tkrk gSA ,d lehiLFk fcUn q ij fo|qr {ks=k& [1] c< +sxk ;fn vkos'k /kukRed g SA [2] ?kVsxk ;fn vkos'k _.kkRed gSA [3] c<+ ldrk gS ;fn vkos'k /kukRed gSA [4] ?kV ldrk gS ;fn vkos'k _.kkRed gSA 3. fdlh fcUnq ij fo|qr {ks=k ,oa fo|qr foHko Øe'k% E o V gS& [1] ;fn E = 0, V Hkh 'kwU; gksxkA [2] ;fn V = 0, E Hkh 'kwU; gksxkA [3] ;fn E 1 0, V 'kwU; ugha gks ldrkA [4] ;fn V 1 0, E 'kwU; ugha gks ldrkA 4. x-v{k ds vu qfn'k x = –1 lseh ls x = +1 lseh rd xfr djus ij fo|qr foHko ,d leku #i ls 120 oksYV ls 80 oksYV rd ?kVrk gSA dsUnz fcUnq ij fo|qr {ks=k& [1] 20 oksYV@lseh ds cjkcj gksuk pkfg,A [2] 20 oksYV@l seh ds cjkcj gks ldrk gSA [3] 20 oksYV@l seh ls T;knk gks ldrk gSA [4] 20 oksYV@l seh ls de gks ldrk gSA 5. fuEu e sa l s dkSulh jkf'k;k¡ 'kwU; foHko ;k 'kwU; fLFkfrt ÅtkZ ds p;u ij fuHkZj ugha djrh gS& [1] ,d fcUn q ij foHko [2] nks fcUn qvksa ds e/; foHkokUrj [3] nks vko s'kksa ds fudk; dh fLFkfrt ÅtkZ [4] nks vkos'kksa d s fudk; dh fLFkfrt ÅtkZ esa ifjor Zu 6. ,d fo|qr f}/kzqo ij fcUn q vko s'k }kjk mRiUu fo| qr {ks=k es a j[kk gS& [1] f}/kzqo ij dqy oS|qr cy 'kwU; gksuk pkfg,A [2] f}/kzqo ij dqy oS|qr cy 'kwU; gks ldrk gSA [3] {ks=k ds dkj.k f}/kzqo ij cy vk?kw.kZ 'kwU; gksuk pkfg,A [4] {ks=k ds dkj.k f}/kzqo ij cy vk?kw.kZ 'kwU; gks ldrk gSA
www.thinkiit.in Page 4 thinkIIT 7. ,d izksVkWu o ,d bysDVakWu ,d le#i fo|qr {ks=k esa j[ks x, gS& [1] mu ij yxus okyk oS|qr cy cjkcj gksaxsA [2] cyksa ds ifjek.k cjkcj gksaxsA [3] muds Roj.k cjkcj gksaxsA [4] muds Roj.k ds ifjek.k cjkcj gks axsA 8. ,d {ks=k esa fo|qr {ks=k ckgj dh vksj gS rFkk ewy fcUnq ls nwjh r ds leku qikrh gSA ewy fcUn q ij fo|qr foHko dk eku 'kwU; ysu s ij& [1] foHko {ks=k esa ,dleku gSA [2] foHko r ds leku qikrh gSA [3] foHko r 2 ds leku qikrh g SA [4] foHko ewy fcUnq ls nwj tkus ij c<+rk gSA