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NTA Abhyas JEE Main2020PhysicsAlternating CurrentPractice

In the circuit shown, current measured by ammeter is x ampere. Find x .

Correct answer

03.00

Step-by-step solution

Let current = x ampere V 2 + V 3 = 40   V ( L & C out of phase) Voltage across 10   Ω = 10 x Using phase addition of voltage, ( 10 x ) 2 + ( 40 ) 2 = ( 50 ) 2 ⇒ x = 3

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