A resistance ‘R’ draws power ‘P’ when connected to an AC source. If an inductance is now placed in series with the resistance, such that the impedance of the circuit becomes ‘Z’, the power drawn will be

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.

An Intiative by Sri Chaitanya

PRZ

PRZ2

PRZ

answer is C.

(Unlock A.I Detailed Solution for FREE)

Detailed Solution

P=VrmsIrms=Vrms×VrmsR P=Vrms2R⇒Vrms2=PR . . . . (i) Case II : Power drawn in LR circuit P'=VrmsIrmscosϕ=Vrms×VrmsZ×RZ=Vrms2RZ2=PR×RZ2 (using eqn. (i))P'=PR2Z2

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE

Get Expert Academic Guidance – Connect with a Counselor Today!

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE