Physics - Current Electricity Question with Solution | TestHub

PhysicsCurrent ElectricityElectrical PowerEasy2 minPYQ_2020

PhysicsEasysingle choice

In the circuit shown if the internal resistance of each cell is $r$ , then the rate at which the chemical energy of $ε_{1}$ is being consumed is

Answer:

Solution:

$i = \frac{ε_{1} - ε_{2}}{2 r + r + r + r} = \frac{ε}{5 r}$

$P = 2 ε i = \frac{2 ε^{2}}{5 r}$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Current ElectricitySubtopic:Electrical Power

⏱ 2mℹ️ Source: PYQ_2020

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