Q.
An inductive coil and resistance of 100Ω . When an ac signal of frequency 1000 Hz is fed to the coil, the applied voltage leads the current by 45o . What is the inductance of the coil?
see full answer
Start JEE / NEET / Foundation preparation at rupees 99/day !!
21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
2 mH
b
3.3 mH
c
16 mH
d
5 mH
answer is C.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
VLVR=tanΦ=tan45o=1LωR=1L=Rω=1002π×1000=120π=162.8=100062.8×10−3=16mH
Watch 3-min video & get full concept clarity