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Physics - Current Electricity Question with Solution | TestHub

PhysicsCurrent ElectricityCircuit AnalysisMedium2 minPYQ_2019

PhysicsMediumsingle choice

When the switch $S,$ in the circuit shown, is closed, then the value of current $i$ will be:

Question diagram: When the switch S , in the circuit shown, is closed, then th

Options:

Answer:

Solution:

$i = i_{2} + i_{2}$

$\frac{V - 0}{2} = \frac{20 - V}{2} + \frac{10 - V}{4}$

$2 V + V - 10 + 2 (V - 20) = 0$

$5 V - 50 = 0$

$V = 10 V$

$i = \frac{10}{2} = 5 A$

Stream:JEESubject:PhysicsTopic:Current ElectricitySubtopic:Circuit Analysis

⏱ 2mℹ️ Source: PYQ_2019

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