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Home Q & A Board Science-Related Homework Help Physics
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kph2015 kph2015
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10 years ago
A coil with a self-inductance of 6.0 H is connected to a dc source through a switch. As soon as the switch is closed at t = 0 s, the rate of change of current is 2.0 A/s. What is the emf induced in this coil at t = 0 s?


6.0 V
0 V
1/3 V
3.0 V
12 V
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#1
10 years ago
giventhat
L = 6 H
change of current di/dt = 2A/s
induced emf ε = L di/dt
= 12 v
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