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A 9-V flashlight battery has a rating of 1.8 kWh. If the bulb draws a current of 100 mA when lit, determine the following:
(a) For how long will the flashlight provide illumination?
(b) How much energy in joules is contained in the battery?
(c) What is the battery's rating in ampere-hours?
A three-phase transmission line is 80 mile long and serves a load of 250 MW at 220 KV and 0.8 power factor lagging. The A, B, C, D constants for the line in each phase are: Determine the sending end voltage and current
Determine the rotational speed required to generate a sinusoidal voltage of 24V in a 25-turn coil that rotates within two pole field of 0.012 wb/pole.
Design a continuous time system to generate output y(t)=sin(wt)u(t) when the input is a unit step function. Specify the system using a differential equation.
Using Logisim, implement a 3-8 Decoder, both with gate level components and a Decoder component. Use input pins to control the select line inputs, and LEDs for the output display.
1. An amplifier has cutoff frequencies of 120.0 Hz and 1.200 kHz. Calculate the bandwidth and center frequency of the amplifier. 2. The upper cutoff frequency of an amplifier is 8.000 MHz and its center frequency is 1 MHz.
If we define the resolution of a Digital-to-Analog Conversion (DAC) device to be the reciprocal of its number of logic states in percentage, what will be the resolution of an 8-bits DAC device
For a given lithium ion battery, it can supply 0.85 ampere-hours, or 850 (mAh) with a constant output voltage of 3.6 (V). How much energy is stored in this lithium ion battery. How much energy is imparted to an electron that flows
A terrestrial radio link transmits a CDMA signal from a base station using a spreading code with a chip rate of 1.0 Mchips per seconds. The message data rate of the signal is 10 kbps.
We are required to create a digital clock for the upcoming project. The class has been very disorgainzed and hard to follow, thus I've had a hard time keeping up with what's actually going on and don't quite understand all the material.
A serial transmission is set up for 8 bits with odd parity. The first two bytes of data are 01110111 with parity bit 1 and 01101010 with parity bit 0. From this we know that there are no errors in transmission.
Finding appropriate source for the electrical load, Have four circuits. One takes 9Vdc, two 5Vdc, and last one takes 12Vdc. Have variable transformer for source. How do I calculate or choose the voltage needed to run all four circuits with out blo..
1. can a transformer ratio LTC control MW or Mvar power flow on a parallel transformers 2.what test is used to calculate a transformer through fault impedance 3. List three design or operating factors which make a generator more stable
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