A heart defibrillator passes 11.5 A through a patient's torso for 5.00 ms in an attempt to restore normal beating. (a) How much charge passed?  ____C (b) What voltage was applied if 476 J of energy was dissipated?  _____kV (c) What was the path's resistance?  _____kΩ (d) Find the temperature increase caused in the 8.00 kg of affected tissue. The specific heat of tissue is 3500 J/(kg · °C).  _____°C

6. An electrical circuit is shown below. The battery supplies 15 V. The resistances have the following values:   R₁= 30 Ω, R₂ = 40 Ω, R3 = 20 Ω .   (a) Calculate the replacement resistance of the three resistors.     (b) Calculate the total current through the circuit, and the current through the respective resistor     (c) If the lower right corner is grounded, then calculate the potentials at points A and B.   (d) If the current is interrupted at point C, what will be the potentials at A and B.

How many electrons pass through a 20- resistor in 10 min if there is a potential drop of 60 volts across it? Select one: 21 а. 16.875X10 21 b. 11.25X10 c. 5.625X1021 21 d. 22.5X10

The potential difference across a resting neuron in the human body is about 76.0 mV and carries a current of about 0.270 mA. How much power does the neuron release? Need Help? Read It

A resistor of R= 50 ohms is connected in series to a capacitor C=3.0 microfarads and a battery with emf=12.0 V. How long does it take for the capacitor to reach 40% of its max possible charge after the switch is closed? a) 38.3 microseconds b) 76.6 microseconds c) 115 microseconds