Inductance
AP Physics C Electricity and Magnetism · Flashcards · Application
AP PHYSICS C ELECTRICITY AND MAGNETISM · FLASHCARDS
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QUESTION
What is the induced emf when L=0.1 H and the current change is 10 A/s?
QUESTION
Calculate the energy stored in an inductor with L=0.5 H and I=4 A.
QUESTION
Calculate the emf induced if L=2 H and
d
I
d
t
=
3
A
/
s
\frac{dI}{dt}=3 A/s
d
t
d
I
=
3
A
/
s
.
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ANSWER
emf
=
−
6
V
\text{emf} = -6 \text{ V}
emf
=
−
6
V
. From
emf
=
−
L
d
I
d
t
=
−
2
×
3
\text{emf} = -L \frac{dI}{dt} = -2 \times 3
emf
=
−
L
d
t
d
I
=
−
2
×
3
.
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