1. ffi qra-oit eTr+{r qrqit+t rrhrff,m …

1. ffi qra-oit eTr+{r qrqit+t rrhrff,m qft qRqrqr tdfuq r s{r"Fl s.r. q-rs'tmfug I Define the term 'Mobility' of charge carriers in a conductor. Write its S.I. unit. 2. ffi qre+.rnrr *i qg lcrrcarff fq'qr rrqr t , C(t):2 sin (8nt) volt. msdq fu'{f, qvtiq q-flr{stte,t d{'r t I frgdr qrsi*.{m *ifuq r m(t)+€it tQ-+.cif The carrier wave is given by C(t):2 sin (8zrt) volt. The modulating signal is a square wave as shown. Find modulation index. m(t) in volt t in second 3. o'fu.fr fi oTraqr frq-{ +fuq, ffi tc-€t rffli q-61, qqfuqq ysfuE-d q+{ + sffirmq{d E]_dr t r" q{ qelq dr gk*ifrq r "For any charge configuration, equipotential surface through a point is normal to the electric field." Justifu. 4. uuil-{ Hr{yr * qt ,iltrs, Fr+ri \,-*- qr{ 6T f,srT (s{r qiq or t, W Fq t qqn ffi t qq-fr q{fl.r{rqq-i t r erri t st{ {r riltrs qrfi qrqrd q[+'r eY{Bif r Two spherical bobs, one metallic and the other of glass, of the same size are allowed to fall freely from the same height above the ground. Which of the two would reach earlier and why ? 5. qrs'if nm *-q-or tsq it +lw CTt-il si qftrirrs-dr m'r kqrur tprtgq r Show variation of resistivity of copper as a function of temperature in a graph. 55nfi 3 lP.T.O.

Three charges q,-4q,2q are placed at vertex of equilateral triangle find amount of work done to make its set up

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A mirror is turned through 17 degree then the reflected ray is turned by

Derivation of ohm's law class 12

A Carbon resistor has three strips of red colour and a gold strip. What is the value of resistor? What is its tolerance?

Lota graph showing the variation of current with voltage for the materials gaas on the graph mark the reason where a resistance is negative and Om is obey

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two pith -balls each weighing 10-³ kg are suspended from the same point by means of silk threads -0.5 m long .on charging the balls equally, they are found to repel each other to a distance of 0.2 m .calculate the charge on each ball .

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This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

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