When a camera uses a flash, a fully charged capacitor discharges through an inductor. In what time must the 0.100-A current thro
1 answer:
When a camera uses a flash, a fully charged capacitor discharges through an inductor. In 4 * seconds must the 0.100-A current through a 2.00-mH inductor be switched on or off to induce a 500-V EMF.
When a Capacitor is connected to a circuit with Direct Current (DC) source, two processes, which are called "charging" and "discharging" the Capacitor
Given
Inductance = 2 m H
EMF = 500 V
Current = 0.100 A
EMF = L (di/dt)
dt =
L di / EMF
t = L ( i / EMF )
time = 2 * * 0.100 / 500
= 4 * seconds
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