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Two lead-acid automobile batteries are connected in parallel, as shown in Figure 6-73, to provide additional starting current. One of the batteries is fully charged at 14.2 V and the other battery has discharged to 9 V. If the internal resistance of each battery is 0.01Ω, determine the current in the batteries. If each battery is intended to provide a maximum current of 150 A should this method be used to start a car?
The PMAC motor is driving a purely inertial load. A constant torque of 5 Nm is developed to bring the system from rest to a speed of 5,000 rpm in 5 s. Neglect the stator resistance and the leakage inductance.
frequency 6GHz propagating in vacuum is comprised of two components which are in spatial and temporal quadrature. The phasor expression of the wave electric field is given to be. obtain the phasor expression for the wave magnetic field.
Determine the max rms voltage that can be applied to the high side of the transformer without exceeding the rated_flux_density in the core if transformer is supplied by frequency of 50 Hz.
find the spectrum of the signal s(t) that results from the use of natural sampling,assuming that time t=0 corresponds to the midpoint of a rectangular pulse in c(t). show that the original signal m(t) may be recovered exactly from its naturally sa..
A telecommunication system has a link bandwidth of 10 MHZ, signal propagation of 3.5 x 10^8 m/s, transmitting as 1500 frames per minute, with 15000 bits per frame, over a distance of 100 km. What is the bandwidth-delay product?
Compute the energy in BTU and kWh to heat 1000 lb of water from 77°F to 100°F - How much coal will be needed to burn for the same job?
a) Find Vo(t),t>0 in the network in fig if the input is represented by the waveform shown in fig.
Let x(t) = |cos120pit| a periodic signal. Plot x(t). What is the period and frequency of x(t). Expand x(t) in trigonometric Fourier series Hint: use the plot to find the Fourier coefficients.
spring stretches by 0.0186 m when a 3.24-kg object is suspended from its end. How much mass should be attached to this spring so that its frequency of vibration is f = 5.53 Hz
In a CD player,the sampling rate is 44.1KHz and the samples are quantised using a 16bit/sample quantizer. Determine the resulting number of bits for a piece of music with a duration of 50 minutes
For example, if the time given is 10213 seconds, the function will give back 2 hours and 50.22 minutes. The function shall not print the results to console, but instead pass them back to the calling function.
For a coaxial line with inner conductor radius a and outerc onductor radius b, V = V0 at ρ = a and V = 0 atρ = b. Find the potential distribution by solving Laplace'sequation. Also find capacitance per unit length.
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