what are the formulas from the chapter electricity of class 10 CBSE
Answers
current = charge/time
resistivity = R×A/L
ohms law : V = IR
power = VI
power = I^2R
power = V^2/R
energy = power × time
heat produced = I^2RT
these are the important formulas from electricity chapter
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Answer:
Explanation:
Notations :-
V = Voltage (potential difference)
Q = Charge
R = Resistance
P = Power
W = Work
I = Current
t = Time
Some Important Formulae :-
Electrical Charge = Current × Time Q = I × t
Potential Difference = Current × Resistance V = I × R
Power = (Current)² × Resistance P = I² × R
Power = Potential difference × Current P = V × I
Work = Potential difference × Charge W = V × Q
Work = (Current)² × Resistance × Time W = I² × V × t
Work = Potential difference × Current × Time W = V × I × t
Work = Power ×Time W = P × t
Equivalent Resistance = Sum of resistance of all resistors
R = R₁ + R₂ + R₃ + ...
Equivalent Resistance = 1/Sum of reciprocals of all resistance connected in parallel R = 1/( 1/R₁ + 1/R₂ + 1/R₃ + ... )