Question

Find the condition satisfied by b if ଶ + + 1 = 0 does not possess real roots.​

Answer 1

a 400 mH coil of negligible resistance is connected to an AC circuit in which an effective current of 6 mA is flowing. Find out the voltage across the coil if the frequency is 1000 Hz.Read more on Sarthaks.com - https://www.sarthaks.com/889512/400-coil-negligible-resistance-connected-circuit-which-effective-current-ma-is-flowing