@Abhishek_45_
All Formulas of Electricity
1) I=Q/T
2) Q = ne
3) V = W/Q
4) V=IR
6) Resistance in Series: Rs= R1+ R2+R3
5) R = Rho x L/A
7) Resistance in Parallel: 1/Rp=1/R1+1/R2 +1/R3 ( Reciprocal of R1+R2+R3)
8)H= V x Q
i) H-Vlt
ii H=I^{2}Rt
iii) H=V^{2}T/R
9) P=W/t
i) P-VI
ii) P = I²R
iii)P=V^{2}/R
10) E=P × T
S.I. Units:
Current (1)-Ampere
Charge (Q) Coulomb
Time (1) Second
Potential Difference or Voltage (V)-Volt
Resistance (R)-Ohm
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\times10^{-19}C)
1kWh =3.6\times10^{\circ}J
1 Ampere 1000mA
1 Kilowaat t=1000W
1 Horse Power = 746W
i hope this list will help you!
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