Electronics Fundamentals: Circuits, Devices & Applications
8th Edition
ISBN: 9780135072950
Author: Thomas L. Floyd, David Buchla
Publisher: Prentice Hall
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Chapter 3, Problem 9ST
To determine
Value of power.
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Chapter 3 Solutions
Electronics Fundamentals: Circuits, Devices & Applications
Ch. 3 - If the total resistance of a circuit increases,...Ch. 3 - Ohm’s law for finding resistance is R=1/V.Ch. 3 - When milliamps and kilohms are multiplied...Ch. 3 - If a 10k resistor is connected to a 10 V source,...Ch. 3 - Prob. 5TFQCh. 3 - Prob. 6TFQCh. 3 - Prob. 7TFQCh. 3 - Prob. 8TFQCh. 3 - A power supply that has a negative output voltage...Ch. 3 - Prob. 10TFQ
Ch. 3 - Ohm’s law states that current equals voltage...Ch. 3 - When the voltage across a resistor is doubled, the...Ch. 3 - Prob. 3STCh. 3 - Prob. 4STCh. 3 - Prob. 5STCh. 3 - Prob. 6STCh. 3 - Prob. 7STCh. 3 - Prob. 8STCh. 3 - Prob. 9STCh. 3 - Prob. 10STCh. 3 - A 2.2k resistor dissipates 0.5 W. The current is...Ch. 3 - Prob. 12STCh. 3 - Prob. 13STCh. 3 - Prob. 14STCh. 3 - Prob. 15STCh. 3 - Determine the cause for each set of symptoms....Ch. 3 - Determine the cause for each set of symptoms....Ch. 3 - Prob. 3TSCCh. 3 - Determine the cause for each set of symptoms....Ch. 3 - Prob. 5TSCCh. 3 - The current in a circuit is 1 A. Determine what...Ch. 3 - Prob. 2PCh. 3 - The current in a circuit is 10 mA. What will the...Ch. 3 - Determine the current in each case. V=5V,R=1.0...Ch. 3 - Determine the curren in each case. V=9V,R=2.7k...Ch. 3 - A 10 resistor is connected across a 12 V battery....Ch. 3 - A resistor is connected across the terminals of a...Ch. 3 - A 5-band resistor is connected across a 12 V...Ch. 3 - If the voltage in Problem 8 is doubled, will a 0.5...Ch. 3 - Calculate the voltage for each value of IandR....Ch. 3 - Calculate the voltage for each value of l and R....Ch. 3 - Three amperes of current are measured through a 27...Ch. 3 - Assign a voltage value to each source in the...Ch. 3 - Calculate the resistance for each value of V and...Ch. 3 - Calculate R for each set of V and I values....Ch. 3 - Six volts are applied across a resistor. A current...Ch. 3 - Choose the correct value of resistance to get the...Ch. 3 - A flashlight is operated from 3.2 V and has a...Ch. 3 - The flashlight in Problem 18 uses 26 J in 10 s....Ch. 3 - What is the power when energy is used at the rate...Ch. 3 - What is the powe in watts when 7500 J of energy...Ch. 3 - Convert the following to kilowatts:...Ch. 3 - Convert the following to megawatts: 1,000.000W...Ch. 3 - Convert the following to milliwatts:...Ch. 3 - Convert the following to microwatts:...Ch. 3 - Convert the following to watts:...Ch. 3 - Prove that the unit for power (the watt) is...Ch. 3 - Show that there are 3.6106 joules in a...Ch. 3 - If a resistor has 5.5 V across it and 3 mA through...Ch. 3 - An electric heater works on 115 V and draws 3 A of...Ch. 3 - What is the power when there are 500 mA of current...Ch. 3 - Calculate the power dissipated by a 10k resistor...Ch. 3 - If there are 60 V across a 620 resistor,what is...Ch. 3 - A 56 resistor is connected across the terminals of...Ch. 3 - If a resistor is to carry 2 A of current and...Ch. 3 - Convert 5106 watts used for 1 minute to kWh.Ch. 3 - Convert 6700 watts used for 1 second to kWh.Ch. 3 - How many kilowatt-hours do 50 W used for 12 h...Ch. 3 - Assume that an alkaline D-cell battery can...Ch. 3 - What is the total energy in joules that is...Ch. 3 - A 6.8k resistor has burned out in a circuit. You...Ch. 3 - A certain type of power resistor comes in the...Ch. 3 - For each circuit in Figure 3-31, assign the proper...Ch. 3 - A 50 load consumes 1 W of power. What is the...Ch. 3 - A battery can provide an average of 1.5 A of...Ch. 3 - How much average current can be drawn from an 80...Ch. 3 - If a battery is rated at 650mAh, how much average...Ch. 3 - If the input power is 500mW and the output power...Ch. 3 - To operate at 85% efficiency, how much output...Ch. 3 - In the light circuit of Figure 3-32, identify the...Ch. 3 - Assume you have a 32-light string and one of the...Ch. 3 - Prob. 52PCh. 3 - The filament of a light bulb in the circuit of...Ch. 3 - A certain electrical device has an unknown...Ch. 3 - A variable voltage source is connected to the...Ch. 3 - In a certain circuit, Vs=1Vandl=5mA. Determine the...Ch. 3 - Figure 3-35 is a graph of current versus voltage...Ch. 3 - You are measuring the current in a circuit tha is...Ch. 3 - If you wish to increase the amount of current in a...Ch. 3 - A 6 V source is connected to a 100 resistor by two...Ch. 3 - If a 300 W bulb is allowed to burn continuously...Ch. 3 - At the end of a 31 day period, your utility bill...Ch. 3 - A certain type of power resistor comes in the...Ch. 3 - A 12 V source is connected across a 10 resistor...Ch. 3 - The rheostat in Figure 3-36 is used to control the...Ch. 3 - Open file P03-66; files are found at...Ch. 3 - Open file P03-67. Determine whether or not the...Ch. 3 - Open file P03-68. Determine whether or not the...Ch. 3 - Open file P03-69. Determine whether or not the...Ch. 3 - Open file P03-70. Determine whether or not the...
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- 1. Find the transfer fucntion, show all steps.arrow_forward6. Determine the type of the filter in the following figure and calculate the cut off frequency fc, show all steps.arrow_forward5. Find the Transfer Function of the following circuit. Prove that it’s a low pass filter, show all steps.arrow_forward
- 2. Find the transfer function, show all steps.arrow_forwardI have this fsk function code: function [x]=fsk_encode(b,s,f0,f1,N,Fs,K) % b= bit sequence vector % s(1)= output level for 0 % s(2)= output level for 1 % N= length of bit sequence % Fs= Sampling frequency y=zeros(1,N*K); %Setup output vector %for each bit calculatee the rando samples for n=1:N for k=1:K t = (k - 1) / Fs; if(b(n)==0) y((n-1)*K+k)=cos(2*pi*f0*t); % pulse=0 else y((n-1)*K+k)=cos(2*pi*f1*t); % pulse=1 end end x=y; %set output end And this is another code that calls the function in order to get the power density spectrum: clc;clear; % EE 382 Communication Systems- Lab 8 % Plots the power spectrum of the ASK modulation % First specify some parameters N=256; % number of bits per realization M=100; % number of realizations in the ensemble T=0.001; % bit duration in seconds delf =2e+3; fc=10e+3; f0=fc-delf; f1=fc+delf; Fs=8*f1; % sampling frequency (this is needed to calibrate the frequency axis) K=(T/(1/Fs)); % Define arrays for bit sequences and sampled waveforms…arrow_forwardCalculate the parameters in the figurearrow_forward
- Write the angle expression form of first null beam width FNBW) for 2/2 dipole. for 즐, 꽃 3arrow_forwardThe circuit is in the DC steady state, So all transients are passed. What are the values of 1 and V, under those conditions. P 24v + + √2 АЛАД 42 4F 3.H ww 22 eee + 203 Varrow_forwardFind the value of Vc (t) for all I That is, the complete response including natural and forced responses.) АДДА 422 OV ДААД t = 0 3F + V(t) -arrow_forward
- 1.0 Half-power point (left) 0.5 Minor lobes Main lobe maximum direction Main lobe Half-power point (right) Half-power beamwidth (HP) Beamwidth between first nulls (BWFN) *Which of the following Lobes of an antenna Pattern 180 out of Phase the main Lobe ? And where are the ch other gems ?arrow_forwardThe normalized radiation intensity of an antenna is represented by U(0) = cos² (0) cos² (30), w/sr Find the a. half-power beamwidth HPBW (in radians and degrees) b. first-null beamwidth FNBW (in radians and degrees)arrow_forwardQ1/ Route the following flood hydrograph through a river reach for which storage duration constant = 10 hr and weighted factor = 0.25. At the start of the inflow flood, the outflow discharge is 60m³/s. Inflow (m/s) Time (hr) 140 60 100 0 4 8 12 16 120 80 40 20 Q2/ Answer the following: 1. Define water requirements and list the losses of irrigation. Q3/ Irrigation project with the following data: = 150 mm/m Root Zone Depth (RZD) = 1.1 m 15% of the net depth - Available Water PAD = 50%, Leaching Requirement Rainfall = 12 mm, = water Losses = 10% of the net depth. If the net water depth added after depletion of already available water, Calculate: gross irrigation water, and application efficiency. C= Carrow_forward
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