The immediate cause of many deaths is ventricular fibrillation, the uncoordinated palpitation of the heart. An electric shock applied to the chest can cause momentary paralysis of the heart muscle, after which the heart sometimes resumes normal beating. One type of defibrillator (pictured below) delivers a strong electrical shock to the chest for a time span of a few milliseconds. The device contains a multi-microfarad capacitor, charged with several thousand volts. Electrodes called paddles are pressed against the chest on both sides of the heart and the capacitor is discharged into the patient's chest. Suppose 300 J energy has to be applied by a 30.0 mF capacitor. What potential difference should this capacitor be charged with?
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.
The immediate cause of many deaths is ventricular fibrillation, the uncoordinated palpitation of the heart. An electric shock applied to the chest can cause momentary paralysis of the heart muscle, after which the heart sometimes resumes normal beating. One type of defibrillator (pictured below) delivers a strong electrical shock to the chest for a time span of a few milliseconds. The device contains a multi-microfarad capacitor, charged with several thousand volts. Electrodes called paddles are pressed against the chest on both sides of the heart and the capacitor is discharged into the patient's chest. Suppose 300 J energy has to be applied by a 30.0 mF capacitor. What potential difference should this capacitor be charged with?
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