Answer:
Explanation:
Given that
Constant current I=15A
Inductance L=2.8H
a. Current changes from 15A to 0A.
∆I=0-15=-15
For a time of t=75ms=0.075s
EMF=?
EMF is given at
EMF=-L(∆I/t)
EMF=-2.8×-15/0.075
EMF=3.15V
b. Energy stored?
Energy stored is given as
E=½LI²
E=½×2.8×15²
E=315 J
c. Rate of energy? Which is power and the rate of energy is given as
Power=Energy/timetaken
Power=315/0.075
Power=4200W
P=4.2KW
Answer:
imma be honest I dint really know
It’s burning wax. All of the other options are physical changes .
115 divided by 2 equals 57.5
Total Current = 2 Amps
Req total = 60 ohms
Current on EF mesh = 1/3 Amp
Current on 24 ohms resistor = 1/6 Amp
Voltage on the 40ohms resistor is lefting.