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PhysicsEMI/ACAC current and voltageMedium2 minQB

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An $A C$ current is given by $I = I_{1} s inω t + I_{2} co s ω t .$ A hot wire ammeter will give a reading:

Answer:

Solution:

$I = I_{1} s inω t + I_{2} co s ω t$

$∴ I_{0} = I_{1}^{2} + I_{2}^{2}$

$∴ I_{r m s} = \frac{I _{0}}{2} = \frac{I _{1}^{2} + I _{2}^{2}}{2}$

Stream:JEESubject:PhysicsTopic:EMI/ACSubtopic:AC current and voltage

⏱ 2mℹ️ Source: QB

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