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PhysicsEMI/ACAC current and voltageEasy2 minQB

PhysicsEasysingle choice

An alternating current is given by the equation $i = i_{1} sin ω t + i_{2} cos ω t$ . The rms current will be:

Answer:

Solution:

$i = i_{1} sin ω t + i_{2} sin (ω t + 90)$

$i = i_{1}^{2} + i_{2}^{2} sin (ω t + ϕ)$

$i_{r m s} = \frac{i _{0}}{2} = \frac{i _{1}^{2} + i _{2}^{2}}{2}$

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

⏱ 2mℹ️ Source: QB

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