You have a new job in an electronics manufacturing company. You are assigned to the photography department, specifically to work on electronic flash units for cameras. Your supervisor explains that, despite the availability and popularity of flash photography using smartphones, many photographers still prefer dedicated mountable flash units using xenon flash sources rather than the LED source in a smartphone camera. She is designing a new flash unit and wants you to determine the capacitance (in mF) needed to store the energy that will be released from the xenon source. She provides you with the following information. The capacitor will be charged to ΔV = 210 V before its energy is released. The energy from the capacitor will create a flash of light lasting for a time interval Δt = 1.34 ✕ 10−3 s. The energy release process is 92.0% efficient, in that 92.0% of the released energy transfers out of the unit by light, with an average light power of 3.05 ✕ 105 W.
Dielectric Constant Of Water
Water constitutes about 70% of earth. Some important distinguishing properties of water are high molar concentration, small dissociation constant and high dielectric constant.
Electrostatic Potential and Capacitance
An electrostatic force is a force caused by stationary electric charges /fields. The electrostatic force is caused by the transfer of electrons in conducting materials. Coulomb’s law determines the amount of force between two stationary, charged particles. The electric force is the force which acts between two stationary charges. It is also called Coulomb force.
You have a new job in an electronics manufacturing company. You are assigned to the photography department, specifically to work on electronic flash units for cameras. Your supervisor explains that, despite the availability and popularity of flash photography using smartphones, many photographers still prefer dedicated mountable flash units using xenon flash sources rather than the LED source in a smartphone camera. She is designing a new flash unit and wants you to determine the capacitance (in mF) needed to store the energy that will be released from the xenon source. She provides you with the following information. The capacitor will be charged to
before its energy is released. The energy from the capacitor will create a flash of light lasting for a time interval
The energy release process is 92.0% efficient, in that 92.0% of the released energy transfers out of the unit by light, with an average light power of 3.05 ✕ 105 W.
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