Alternating Current

Bihar Board Class 12 · Physics · 41 past questions

2 of 41 · show all

1. Q14 2024 Set A

   If the phase difference between alternating current and e.m.f. is $\phi$, then the value of power factor is

   Try it →
2. Q15 2024 Set A

   In $AC$ circuit, power is lost in only

   Try it →