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Question Number 48165 by Umar last updated on 20/Nov/18 $$\mathrm{In}\:\mathrm{a}\:\mathrm{version}\:\mathrm{of}\:\mathrm{millikan}\:\mathrm{experiment}\:\mathrm{it}\:\mathrm{is} \\ $$$$\mathrm{a}\:\mathrm{charged}\:\mathrm{droplet}\:\mathrm{of}\:\mathrm{mass}\:\mathrm{1}.\mathrm{8×10}^{−\mathrm{15}} \mathrm{kg} \\ $$$$\mathrm{just}\:\mathrm{remain}\:\mathrm{stationary}\:\mathrm{where}\:\mathrm{the}\:\mathrm{p}.\mathrm{d}\: \\ $$$$\mathrm{between}\:\mathrm{the}\:\mathrm{plates}\:\mathrm{which}\:\mathrm{are}\:\mathrm{12mm} \\ $$$$\mathrm{apart}\:\mathrm{is}\:\mathrm{150v}.\:\mathrm{If}\:\mathrm{the}\:\mathrm{droplet}\:\mathrm{suddenly} \\ $$$$\mathrm{gain}\:\mathrm{an}\:\mathrm{extra}\:\mathrm{electron}.\:\mathrm{Find} \\ $$$$\:\:\:\left(\mathrm{a}\right)\:\mathrm{the}\:\mathrm{acceleration}\:\mathrm{of}\:\mathrm{the}\:\mathrm{droplet} \\ $$$$\:\:\:\left(\mathrm{b}\right)\:\mathrm{the}\:\mathrm{p}.\mathrm{d}\:\mathrm{to}\:\mathrm{bring}\:\mathrm{it}\:\mathrm{back}\:\mathrm{to}\:…
Question Number 47556 by rahul 19 last updated on 11/Nov/18 Commented by rahul 19 last updated on 11/Nov/18 $${Ans}.\rightarrow{C} \\ $$ Answered by tanmay.chaudhury50@gmail.com last…
Question Number 47090 by Umar last updated on 04/Nov/18 $$\mathrm{Avery}\:\mathrm{large}\:\mathrm{field}\:\mathrm{of}\:\mathrm{charge}\:\mathrm{has}\:\mathrm{density} \\ $$$$\mathrm{of}\:\mathrm{5}\mu\mathrm{C}/\mathrm{m}^{\mathrm{2}} .\:\mathrm{Determine}\:\mathrm{the}\:\mathrm{electric}\:\mathrm{field} \\ $$$$\mathrm{intensity}\:\mathrm{at}\:\mathrm{a}\:\mathrm{distance}\:\mathrm{of}\:\mathrm{25cm}.\mathrm{Taking} \\ $$$$\mathrm{medium}\:\mathrm{as}\:\mathrm{vacuum} \\ $$ Terms of Service Privacy Policy Contact:…
Question Number 47087 by Umar last updated on 04/Nov/18 $$\mathrm{A}\:\mathrm{charge}\:\mathrm{of}\:\mathrm{1500}\mu\mathrm{C}\:\mathrm{is}\:\mathrm{distributed} \\ $$$$\mathrm{over}\:\mathrm{a}\:\mathrm{very}\:\mathrm{large}\:\mathrm{sheet}\:\mathrm{having}\:\mathrm{surface} \\ $$$$\mathrm{area}\:\mathrm{of}\:\mathrm{300m}^{\mathrm{2}} . \\ $$$$\mathrm{calculate}\:\mathrm{the}\:\mathrm{electric}\:\mathrm{field}\:\mathrm{intensity} \\ $$$$\mathrm{at}\:\mathrm{a}\:\mathrm{distance}\:\mathrm{of}\:\mathrm{25cm}. \\ $$$$ \\ $$$$\mathrm{please}\:\mathrm{help} \\ $$…
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Question Number 41443 by Necxx last updated on 07/Aug/18 $${Suppose}\:{that}\:{you}\:{wish}\:{to}\:{fabricate} \\ $$$${a}\:{uniform}\:{wire}\:{out}\:{of}\:\mathrm{1}\:{gram}\:{of} \\ $$$${copper}.{If}\:{the}\:{wire}\:{is}\:{to}\:{have}\:{a} \\ $$$${resistance}\:{of}\:{R}=\mathrm{0}.\mathrm{5}\Omega,{and}\:{all}\:{of} \\ $$$${the}\:{copper}\:{is}\:{to}\:{be}\:{used}.{What}\:{will} \\ $$$${be}\left({i}\right){the}\:{length}\:{and}\:\left({ii}\right){the}\:{diameter} \\ $$$${of}\:{the}\:{wire}. \\ $$ Answered…
Question Number 41122 by Necxx last updated on 02/Aug/18 $${A}\:{lamp}\:{is}\:{connected}\:{in}\:{series}\:{with} \\ $$$${a}\:{parallel}\:{plate}\:{capacitor}\:{and}\:{a}\:{source} \\ $$$${of}\:{alternating}\:{current}.{When}\:{the} \\ $$$${plates}\:{seperation}\:{is}\:{increased},{the}\circledast \\ $$$${lamp}\:{dims}.{Please}\:{explain}\:{this} \\ $$$${observation}. \\ $$ Terms of Service…
Question Number 41121 by Necxx last updated on 02/Aug/18 $${Radio}\:{Karneston}\:{broadcasts}\:{at}\:\mathrm{891}{kHz}. \\ $$$${A}\:{student}\:{made}\:{a}\:{radio}\:{to}\:{receive} \\ $$$${the}\:{station}\:{using}\:{an}\:{L}-{C}\:{oscillator} \\ $$$${circuit}\:{with}\:{an}\:{inductor}\:{of}\:{fixed} \\ $$$${inductance},\mathrm{0}.\mathrm{16}{mH}\:{and}\:{a}\:{variable}\circledast \\ $$$${capacitor}.{At}\:{what}\:{value}\:{of} \\ $$$${capacitance}\:{will}\:{the}\:{student}\:{receive} \\ $$$${the}\:{station}? \\…