Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • Engineering
  • The current flowing in a coil is 3 A and the power consumed is 108 W.If the a.c. source is of 120 V,50 Hz , the resistance of the circuit is ;Option: 1

The current flowing in a coil is 3 A and the power consumed is 108 W.If the a.c. source is of 120 V,50 Hz , the resistance of the circuit is ;

Option: 1

\mathrm{24 \Omega}


Option: 2

\mathrm{10 \Omega}


Option: 3

\mathrm{12 \Omega}


Option: 4

\mathrm{6 \Omega}


Answers (1)

best_answer

\mathrm{\text { From } P=1^2 R, R=\frac{P}{I^2}=\frac{108}{3^2}=12 \Omega}

Posted by

Gaurav

View full answer

JEE Main high-scoring chapters and topics

Study 40% syllabus and score up to 100% marks in JEE

Similar Questions

Trending Articles/News

anam-khan

BTech Admission 2025 Live: JEE Main correction window closes at 11:50 pm; VITEEE, SRMJEE, AEEE dates out
anam-khan

JEE Main 2025 application form correction begins at jeemain.nta.nic.in; editable fields
anam-khan

JEE Main 2025 application form correction window opens today; apply at jeemain.nta.nic.in

Latest Question