The current in an RL circuit builds up to one-third of its steady-state value in 5.00 s. Find the inductive time constant.

Me to solve all the questions on the sheet attached

Explain why the aperture of the spherical mirror should be small compared to the radius of curvature of the mirror.

1. a camcorder has a power rating of 19 watts. if the output voltage from its battery is 7 volts, what current does it use?answer units 2. a 1.5m wire carries a 6 a current when a potential difference of 57 v is applied. what is the resistance of the wire? your