Electricity | Chapter 11 | Complete Chapter | "लक्ष्य" 2025

[@shahanwani]

ll Formulas of Electricity: 1) I = Q/t 2) Q = ne 3) V = W/Q 4) V = IR 5) R = Rho x L/A 6)Resistance in Series: Rs = R1 + R2 + R3 7)Resistance in Parallel: 1/Rp = 1/R1 + 1/R2 + 1/R3 (» Reciprocal of R1+R2+R3) 8)H = V × Q i) H = VIt ii) H = I²Rt iii) H = V²t/R 9) P = W/t i) P = VI ii) P = I²R iii) P = V²/R 10) E = P × t S.I. Units: Current ( I ) - Ampere Charge ( Q ) - Coulomb Time ( t ) - Second Potential Difference or Voltage ( V ) - Volt Resistance ( R ) - Ohm Ω Resistivity ( Rho ) - Ohm meter Power ( P ) - Watt Heat = Energy = Work = Joule Measuring Devices: Ammeter / Milli Ammeter - for measuring current (always connected in series) Galvanometer - for measuring small/sensitive currents (we can also get the direction of the current) Voltmeter - for measuring volts (always connected in parallel) Ohm Meter - Measures the resistivity Things to remember: electron charge = (-1.6 x 10⁻¹⁹ C) 1Ampere = 1000mA 1 Killowaat = 1000W 1 Horse Power = 746W

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Why not 100 % 😅

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Bhai ager 1 like se 99.9 ya 100 % aajate tooo.. -😅

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As a senior You can adopt these three habits for Studying with enjoying ❤ 1. Always remember "Nothing Comes for free" (Work Hard till Last breath) , don't be afraid to give boards cuz you have to some day!. 2. BE "Consistent" .. study for 2 hour only but regularly! 3. With the task of Syllabus completion please try to focus on Learning ..!! You will rock Bro! One personal advice There will be instances when you're working hard but not getting the fruitful results so please don't get upset.. or sometimes parents scolds , It's Fine..!! Listen from one ear and throw from second one.. don't take stress and justt "TAKE IT AS A CHALLENGE" WORK even HARDER and prove yourself. ❤ All the Best😊

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Thank di

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Di aap ek doubt clear karoge mera can i ask

[@Akshara._.Verma._.]

I found your science videos when I was studying maths on your channel and this chapter, I tried to understand from PW and also next toppers but I was not able to understand but from your video it's was so easy to understand. Thank you mam!!

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1 like 99.9% in board examination

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[@Unknown_9634]

formulas of electricity 1. Current (I) I = Q/t = Current (in Amperes) = Total charge (in Coulombs) = Time (in seconds) --- 2. Ohm's Law V = I \times R = Voltage (in Volts) = Current (in Amperes) = Resistance (in Ohms) --- 3. Electrical Power (a) In terms of voltage and current: P = V \times I (b) In terms of current and resistance: P = I^2 \times R (c) In terms of voltage and resistance: P = \frac{V^2}{R} Where: = Power (in Watts) --- 4. Energy (Work Done) W = P \times t or W = V \times I \times t Where: = Energy (in Joules) --- 5. Resistance in Series R_{\text{total}} = R_1 + R_2 + R_3 + \ldots --- 6. Resistance in Parallel \frac{1}{R_{\text{total}}} = \frac{1}{R_1} + \frac{1}{R_2} + \frac{1}{R_3} + \ldots --- 7. Capacitance Formula Q = C \times V Where: = Charge (in Coulombs) = Capacitance (in Farads) = Voltage (in Volts) --- 8. Relation Between Electric Power and Energy E = P \times t Where: = Energy (in Joules) = Power (in Watts) = Time (in seconds) -

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[@topper870]

Charge Coloumb is SI unit of charge(Q) Similar-Repel while dissimilar-attract I=Q/t Current = Charge divided by time flow of electric charge is called electric current Current(I) (A) Amphere - 1 coloumb of charge following per second a closed loop path in which an electric current flow called circuit Directoin of current - Positive to negative Directoin of electron - Negative to Positive Ammetre Instrument which is used to measure electric current in a current in a circuit. It is always connected in the series in a circuit Potential difference workdone to move a unit charge from one point to another Potential diffence = V V= W/Q 1 voult - 1Joule/ 1 coloumb Ohms law I is flowing through a conductor is directly proportional to the v across it ends providing its physical condition remain same V/I = R Resistant is the property of a conductor t o resist the flow of charge through it resistance is - Ohm R = V/I OHM = 1VOLT /1 AMPERE 1 OHM IS DEFINED AS THE RESISTNCE OF AN OBJECT WHEN 1 AMPHERE CURRENT FLOWS THROUGH AN OBJECT HAVING V OF 1 VOLT Resistivity = Ohm m R= Rho l/a

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1:07 1:07 1:07 1:07 1:07 1:07 1:07

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1:07 1:30

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40:54 Those 2 electrons 🗿

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By vu

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1:04 1:05 1:06 1:06 1:06 1:07 1:07 1:07 1:07 1:07 1:08 1:08 1:08 1:08 1:09 1:09 1:09 1:10 1:10 1:10 1:10 1:11 1:11 1:11 1:11 1:11 1:12 1:12 1:12 1:12 1:13 1:13 1:13 1:13 1:14 1:14 1:14 1:14 1:15 1:15 1:15

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12:02 Q=ne Q/n=e

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ma'am my favourite chapter is electricity

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