At what time t2 has 50 percent of the initial energy stored

Assignment Help Electrical Engineering

Reference no: EM13226835

A 190-F capacitance is initially charged to 1190V . At t = 0, it is connected to a 1-k resistance.

a) At what time t2 has 50 percent of the initial energy stored in the capacitance been dissipated in the resistance?

Reference no: EM13226835

Questions Cloud

Calculate the power converted to mechanical power : A 480 V permanent magnet ac motor is consuming 10 kW at power factor 0.80 lagging. Its speed is 1800 rpm. The winding resistance is 0.5 ohms per phase. Core losses are 100 W. Mechanical losses are 250 W. Stray losses are 1.5% of the input power

Determine what is the transmission angle : A 5 GHz parallel polarized wave with amplitude 5 V/m is oblique incident from an air of (z 0. The angle of incidence is 53.13 deg. What is the transmission angle

Calculate the current at the transmitting end : A) If 220kV, 220 MVA with power factor 0.8 lagging is determined to be at the receiving end, calculate the voltage at the transmitting end. B) If 220kV, 220 MVA with power factor 0.8 lagging is determined to be at the receiving end

Calculate the unit impulse and the unit step responses : A simple low-pass discrete-time filter is characterized by the following linear difference equation: y[n] = f y[n-1] +(1- f) x[n] , with 0 1 Draw and clearly label an adder-gain-delay diagram for the filter. using the same difference equation from a..

At what time t2 has 50 percent of the initial energy stored : A 190-F capacitance is initially charged to 1190V . At t = 0, it is connected to a 1-k resistance. a) At what time t2 has 50 percent of the initial energy stored in the capacitance been dissipated in the resistance

Calculate the inductive reactance per meter : Calculate the inductive reactance per meter of a single-phase, 50-Hz, two-wire transmission line. Assume each conductor's radius is 6cm and the distance between the two conductors is 3m.

Approximate the cutoff frequency of the opamp itself : b. If the opamp is configured as a non inverting amplifier with voltage gain of 100, what bandwidth will the circuit have c. With the same configuration (gain of 100), what is the maximum input for linear operation (limited by VCC)

Compute the energy of a photon emitted : Calculate the energy of a photon emitted when an electron in a hydrogen atom undergoes a transition from n = 6 to n = 1.

Calculate the maximum value of k for stability : A sampled-data system such as that presented in problem (i) has a sampling period T = 0.05s and has G(z) = K (z3 + 10.3614z2 + 9.758z + 0.8353) / (z4 - 3.7123z3 + 5.1644z2 - 3.195z + 0.7408) 1. Determine K when the two real poles break away from the ..

User Account

All Pages