Principles Of Electric Circuits
10th Edition
ISBN: 9780134879482
Author: Floyd, Thomas L.
Publisher: Pearson,
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Textbook Question
Chapter 1, Problem 8P
Express each number in regular decimal form:
- a. 4.5 × 10−6
- b. 8 × 10−9
- c. 4.0 × 10−12
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Chapter 1 Solutions
Principles Of Electric Circuits
Ch. 1 - Express 4,750 in scientific notation.Ch. 1 - Express 0.00738 in scientific notation.Ch. 1 - Express 9.12 103 as a regular decimal number.Ch. 1 - Add 3.1 103 and 5.5 104.Ch. 1 - Subtract 3.5 106 from 2.2 105.Ch. 1 - Multiply 3.2 106 and 1.5 103.Ch. 1 - Divide 8 106 by 2 1010.Ch. 1 - Express 36,000,000,000 in engineering notation.Ch. 1 - Express 0.0000000000056 in engineering notation.Ch. 1 - Express using metric prefixes: 1. 56,000 2....
Ch. 1 - Convert 1 mA to microamperes.Ch. 1 - Convert 1,000 mV to millivolts.Ch. 1 - Convert 893 nA to microamperes.Ch. 1 - Convert 10,000 pF to microfarads.Ch. 1 - Convert 0.0022 mF to picofarads.Ch. 1 - Convert 2.2 k to megohms.Ch. 1 - Add 2,873 mA to 10,000 mA; express the sum in...Ch. 1 - How would you show the number 10,000 showing three...Ch. 1 - What is the difference between a measured quantity...Ch. 1 - Round 3.2850 to three significant digits using the...Ch. 1 - Derived units in the SI system use base units in...Ch. 1 - The base electrical unit in the SI system is the...Ch. 1 - The supplementary SI units are for angular...Ch. 1 - The number 3,300 is written as 3.3 103 in both...Ch. 1 - A negative number that is expressed in scientific...Ch. 1 - When you multiply two numbers written in...Ch. 1 - When you divide two numbers written in scientific...Ch. 1 - The metric prefix micro has an equivalent power of...Ch. 1 - To express 56 106 with a metric prefix, the...Ch. 1 - 0.047 F is equal to 47 nFCh. 1 - 0.010 F is equal to 10,000 pF.Ch. 1 - 10,000 kW is equal to 1 MW.Ch. 1 - The number of significant digits in the number...Ch. 1 - To express 10,000 with three significant figures,...Ch. 1 - When you apply the round-to-even rule to round off...Ch. 1 - If a series of measurements are precise, they must...Ch. 1 - The base SI electrical unit is the ampere.Ch. 1 - Which of the following is not an electrical...Ch. 1 - The unit of current is a. volt b. watt c. ampere...Ch. 1 - The number of base units in the SI system is a. 3...Ch. 1 - An mks measurement unit is one that a. can be...Ch. 1 - In the Sl system, the prefix k means to multiply...Ch. 1 - Prob. 6STCh. 1 - The quantity 4.7 103 is the same as a) 470 b)...Ch. 1 - The quantity 56 103 is the same as a. 0.056 b....Ch. 1 - Prob. 9STCh. 1 - Ten milliamperes can be expressed as a. 10 MA b....Ch. 1 - Five thousand volts can be expressed as a. 5,000 V...Ch. 1 - Twenty million ohms can be expressed as a. 20 m b....Ch. 1 - Prob. 13STCh. 1 - When reporting a measured value, it is okay to...Ch. 1 - Express each of the following numbers in...Ch. 1 - Express each fractional number in scientific...Ch. 1 - Express each of the following numbers in...Ch. 1 - Express each of the following numbers in...Ch. 1 - Express each of the following numbers in...Ch. 1 - Express each of the following as a regular decimal...Ch. 1 - Express each of the following as a regular decimal...Ch. 1 - Express each number in regular decimal form: a....Ch. 1 - Add the following numbers: a. (9.2 106) + (3.4 ...Ch. 1 - Prob. 10PCh. 1 - Perform the following multiplications: a. (5 ...Ch. 1 - Prob. 12PCh. 1 - Perform the indicated operations: a. (8 104 + 4 ...Ch. 1 - Starting with 1012, list the powers of ten in...Ch. 1 - Express each of the following numbers in...Ch. 1 - Express each number in engineering notation: a....Ch. 1 - Express each number in engineering notation: a....Ch. 1 - Express each number in engineering notation: a....Ch. 1 - Add the following numbers and express each result...Ch. 1 - Multiply the following numbers and express each...Ch. 1 - Divide the following numbers and express each...Ch. 1 - Express each number in Problem 15 in ohms using a...Ch. 1 - Express each number in Problem 17 in amperes using...Ch. 1 - Express each of the following as a quantity having...Ch. 1 - Express the following using metric prefixes: a. 3 ...Ch. 1 - Express the following using metric prefixes: a....Ch. 1 - Express each quantity by converting the metric...Ch. 1 - Express each quantity in engineering notation: a....Ch. 1 - Perform the indicated conversions: a. 5 mA to...Ch. 1 - Determine the following: a. The number of...Ch. 1 - Add the following quantities: a. 50 mA + 680 A b....Ch. 1 - Do the following operations: a. 10 k (2.2 k + 10...Ch. 1 - How many significant digits are in each of the...Ch. 1 - Round each of the following numbers to three...
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- An FDM is used to multiplex two groups of signals using AM-SSB, the first group contains 25 speech signals, each has maximum frequency of 4 kHz, the second group contains 15 music signals, each has maximum frequency of 10 kHz. A guard bandwidth of 500 Hz is used bety each two signals and before the first one. 1. Find the BWmultiplexing 2. Find the BWtransmission if the multiplexing signal is modulated using AM-DSB-LC.arrow_forwardAn FM signal with 75 kHz deviation, has an input signal-to-noise ratio of 18 dB, with a modulating frequency of 15 kHz. 1) Find SNRO at demodulator o/p. 2) Find SNRO at demodulator o/p if AM is used with m=0.3. 3) Compare the performance in case 1) and 2).. Hint: for single tone AM-DSB-LC, SNR₁ = (2m²) (4)arrow_forwardFind Va and Vb using Nodal analysisarrow_forward
- 4. A battery operated sensor transmits to a receiver that is plugged in to a power outlet. The device is continuously operated. The battery is a 3.6 V coin-cell battery with a 245mAHr capacity. The application requires a bit rate of 36 Mbps and an error rate of less than 10^-3. The channel has a center frequency of 2.4 GHz, a bandwidth of 10 MHz and a noise power spectral density of 10^-14 W/Hz. The maximum distance is 36 meters and the losses in the channel attenuates the signal by 0.25 dB/meter. Your company has two families of chips that you can use. An M-ary ASK and an M-ary QAM chip. The have very different power requirements as shown in the table below. The total current for the system is the current required to achieve the desired Eb/No PLUS the current identified below: Hokies PSK Chip Set Operating Current NOT Including the required Eb/No for the application Hokies QAM Chip Set Operating Current NOT Including the required Eb/No for the application Chip ID M-ary Voltage (volts)…arrow_forwardUsing the 802.11a specifications given below, in Matlab (or similar tool) create the time domain signal for one OFDM symbol using QPSK modulation. See attached plot for the QPSK constellation. Your results should include the power measure in the time and frequency domain and comment on those results. BW 802.11a OFDM PHY Parameters 20 MHZ OBW Subcarrer Spacing Information Rate Modulation Coding Rate Total Subcarriers Data Subcarriers Pilot Subcarriers DC Subcarrier 16.6 MHZ 312.5 Khz (20MHz/64 Pt FFT) 6/9/12/18/24/36/48/54 Mbits/s BPSK, QPSK, 16QAM, 64QAM 1/2, 2/3, 3/4 52 (Freq Index -26 to +26) 48 4 (-21, -7, +7, +21) *Always BPSK Null (0 subcarrier) 52 subarriers -7 (48 Data, 4 Pilot (BPSK), 1 Null) -26 -21 0 7 21 +26 14 One Subcarrier 1 OFDM symbol 1 OFDM Burst -OBW 16.6 MHz BW 20 MHZ 1 constellation point = 52 subcarriers = one or more OFDM symbols 802.11a OFDM Physical Parameters Show signal at this point x bits do Serial Data d₁ S₁ Serial-to- Input Signal Parallel Converter IFFT…arrow_forwardFind Vb and Va using Mesh analysisarrow_forward
- 1. The communication channel bandwidth is 25 MHz centered at 1GHz and has a noise power spectral density of 10^-9 W/Hz. The channel loss between the transmitter and receiver is 25dB. The application requires a bit rate of 200Mbps and BER of less than 10^-4. Excluding Mary FSK, Determine the minimum transmit power required.arrow_forward2. An existing system uses noncoherent BASK. The application requires a BER of <10^-5. The current transmit power is 25 Watts. If the system changes to a coherent BPSK modulation scheme, what is the new transmit power required to deliver the same BER?arrow_forward3. You are to design a 9-volt battery operated communication system that must last 3 years without replacing batteries. The communication channel bandwidth is 100 KHz centered at 5.8 GHz. The application requires a BER of <10^-5 and a data rate of 1 Mbps. The channel can be modeled as AWGN with a noise power spectral density of 10^-8 W/Hz. ((a) What modulation scheme would you use? B) what is the required capacity of the batteries? and (c) is the battery commercially available?arrow_forward
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