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(5%) Problem 9: In open heart surgery, a small amount of energy is often used to defibrillatorhe heart. jackson, wakyah - jackson_wakyah@columbusstate.edu 50% Part (a) What voltage, in kilovolts, is applied to the 7.5 uF capacitor of a heart defibrillator that stores 35.5 J of energy? V = 3.080 Correct! *50% Part (b) Find the amount of stored charge, in millicoulombs. Q= 2.30 * 10( -2)| sin() cos() tan() 7 8 9 HOME cotan() asin() acos() E VI A 4 5 6 atan() acotan() sinh() 2 3 cosh() tanh() cotanh() + END O Degrees O Radians VO BACKSPACE DEL CLEAR(5%) Problem 3: A 0.074 uF capacitor is being held at a potential difference of 336 JV. jackson, wakyah - jackson_wakyah @columbusstate.edu 33% Part (a) What is the charge, in coulombs, on one of the plates? Q =2.4864 * 10( -11 ) Q =2.486 x 10-11 Correct! *33% Part (b) If you measure the size of each plate to be 36 cm , how far apart are the plates, in micrometers? d = 4.31 * 10( -5)| sin( cos() tan 7 8 9 HOME cotan() asin() acos() E 5 6 atan() acotan() sinh() 1 2 3 cosh() tanh() cotanh() + END Degrees O Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per hint. Hints remaining: 1 Feedback: 1 for a 0% deduction A 33% Part (c) What is the magnitude of the electric field inside this capacitor, in newtons per coulomb?(5%) Problem 2: Suppose you wanted to store 18 uC of charge in a capacitor across a voltage of 120 V. jackson, wakyah - jackson_wakyah @columbusstate.edu What capacitance is needed in nF? C= 1.5 * 10( - 7)| sin() cos() tan() 7 8 9 HOME cotan() asin acos A 4 5 6 atan() acotan() sinh() K 1 2 3 coshQ tanh() cotanh() + U END O Degrees O Radians VO BACKSPACE DEL CLEAR Submit Hint Feedback I give up! Hints: 2 for a 0% deduction. Hints remaining: 0 Feedback: 5 for a 0% deduction -What is the basic relationship between the amount of charge stored in a capacitor The answer provided was not correct. We have recognized the following, and the potential across it? Your answer appears to be off by a factor of 10", where n is an integer va -The capacitance is simply the proportionality constant because these two Ensure you have represented the number in the correct units. quantities. All content @ 2023 Expert TA, LLC