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An automobile battery is charged with a constant current of 2 A for five hours. The terminal voltage of the battery is v = 11 + 0.5t V for t > 0, where t is in hours. (a) Find the energy delivered to the battery during the five hours. (b) If electric energy costs 15 cents/kWh, find the cost of charging the battery for five hours.
is there any advantage of star connection over delta w.r.t. induction motors? also is there any advantage or
An unusual capacitor has a capacitance that is a function of time given by C = 2 + cos(2000t) μF in which the arugument of the cosine functionis in radians. A constant voltage of 50V is applied to this capacitor.
Given the following next state and output equations for a synchronous sequential circuit:a. Construct the transition table (state table) for the circuit showing present states, next states and outputs. b. Draw a state graph for the circuit.
How much energy in Kilowatt hours is initially stored in the battery If the battery costs $75 and has a life 0f 300charge-discharge cycle, what is the cost of the energy in dollarsper kilowatt hour Neglect the cost of recharging the battery.
A 60 hp, 3-phase motor absorbs 50 kW from a 600 V, 3-phase line. If the line current is 60 A, calculate the following: (a) The efficiency of the motor (b) The apparent power absorbed by the motor (c) The reactive power absorbed by the motor
Once the voltage across the load reaches 5V the load will no longer act as an open circuit and the capacitor will discharge. Once the load voltage has droped to 0.2 the load will act as an open circuit and the capactior will begin to charge once ..
a meter stick of uniform mass distribution and a mass of 0.150-kg is arranged as follows; a fulcrum is placed under the stick at the 20-cm mark on the stick. A mass of 0.100-kg is suspended from the 90-cm mark.
design an n-channel silicon JFET with pinch off voltage (-2V). The channel is doped with Arsenic and the gate is doped with Boron. the Boron density is 1019 atoms /cm-3 all atoms are fully ionized. The resistance of the channel at zero gate bias i..
After 10 min the process is stopped, and fresh water is poured into the tank at a rate of 8 gal/min, with the mixture again leaving at the same rate. Find the amount of salt in the tank at the end of an additional 10 min.
How should three capacitors and two batteries be connected so that the capacitors will store the maximum possible energy
The power in watss disspiated by a resistor is given by P=IV. The resistors used are 1 watt resistances i.e. they are capable of dissipating a maximum of 1 watt without overheating. What is the maimum voltage that can be put across a 1 watt, ..
Sketch the baseband signals for the two users when user 1 sends the bits 011, and user 2 sends the bits 101. Add the signals for the first bit only, and show that the output of the correlator for user 1 is -4, corresponding to a 0
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