A nickel wire has a resistance of 26.4 ohms at 60 degrees Celsius. After several hours of cooling, the resistance of the coil has decreased to 20 ohms. What is the new temperature of the wire?
A capacitor is charged to 12.0V. This charged capacitor is connected to resistor of 12x10^3 ohms.Find the capacitance of the capacitor,when its voltage is dropped to one-third of its original value in 24.6 seconds.
suppose you wish to store 1.0 kW.s in a parallel plate capicator when a potential difference of 10V is applied across its plates What must be the capacitance of your parallel plate capacitor
A nickel wire has a resistance of 20 ohms at 10 degrees Celsius. After several hours of heating, the resistance of the coil has increased to 26.38 ohms. What is the new temperature of the wire?
temperature coefficient of nickel - 0.006
A capacitor is charged to 12.0V. This charged capacitor is connected to resistor of 12x10^3 ohms.Find the capacitance of the capacitor,when its voltage is dropped to one-third of its original value in 24.6 seconds.
how does semiconductors change from being an insulator to being a conductor and back to an insulator again?
Calculate the electric field strength of a proton experiencing an electric force of 3.75x10-14N.
A heart defibrillator being used on a patient has an RC time constant of 10.0 ms due to the resistance of thepatient and the capacitance of the defibrillator. (a) If the defibrillator has a capacitance of 8.00μF, what is the resistance of the path through the patient?(You may neglect the capacitance of the patient and the resistance of thedefibrillator.) (b) If the initial voltage is 12.0 kV, how long does it take to decline to 6.00 × 10^2V?
A car battery with a 12-V emf and an internal resistance of0.050 Ω is being charged with a current of60 A. Note that in this process, the battery is being charged.(a) What is the potential difference across its terminals?(b) At what rate is thermal energy being dissipated in the battery? (c) At what rate is electric energy being converted in to chemical energy?