two resistor R and 2R are connected in series in an electric circuit. the thermal energy developed in R and 2R in the ratio
Answers
Answered by
31
Power is inversely proportional to resistance for equal potential difference
So, the answer is 2:1
So, the answer is 2:1
Answered by
33
Thermal energy = V²t/R
In parellel arrangement V is constant
So, for a time t
Thermal energy ∝ 1/R
Ratio of their thermal energy = R₂ : R₁ = 2R : R = 2 : 1
In parellel arrangement V is constant
So, for a time t
Thermal energy ∝ 1/R
Ratio of their thermal energy = R₂ : R₁ = 2R : R = 2 : 1
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