POWER of a AC circuit is given by \[P=EI\cos \varphi \] where cosf is power factor and f is PHASE angle. In CASE of circuit CONTAINING resistance only, phase angle is zero and power factor is equal to one. Therefore power is maximum in case of circuit containing resistor only.

"> POWER of a AC circuit is given by \[P=EI\cos \varphi \] where cosf is power factor and f is PHASE angle. In CASE of circuit CONTAINING resistance only, phase angle is zero and power factor is equal to one. Therefore power is maximum in case of circuit containing resistor only.

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Assertion :       When ac circuit contain resistor only, its power is minimum. Reason      :   Power of a circuit is independent of phase angle.

Joint Entrance Exam - Main (JEE Main) Physics in Joint Entrance Exam - Main (JEE Main) 1 year ago

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The POWER of a AC circuit is given by \[P=EI\cos \varphi \] where cosf is power factor and f is PHASE angle. In CASE of circuit CONTAINING resistance only, phase angle is zero and power factor is equal to one. Therefore power is maximum in case of circuit containing resistor only.

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Posted on 11 Aug 2024, this text provides information on Joint Entrance Exam - Main (JEE Main) related to Physics in Joint Entrance Exam - Main (JEE Main). Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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