Electrical Network Analysis 3:59In the multiple choices below, choose best answers.An ammeter can measure current in a given wire, thanks to its shuntresistor connect in:a) series with its galvanometerb) parallel with its galvanometerIn transmission lines, a step-down transformer is used to:a) Reduce current in linesd) increase current in linesb) reduce voltage c) reduce powere) none of theseA plastic object is rubbed against cotton and grabs positive charge,when similar object is rubbed against hair, it grabs negative charges.a) Hair is more electronegative than cotton;b) Hair is more electronegative than cotton.c) none of thesePeak-to-peak value of voltage V = Vm sin wt in AC is meant bya) Vm,b) 2 Vm, c) √2V m d)e) no valid answerThe resultant inductance of 2 equal coils is halved when the coils are in:a) Parallel,b) series,c) one of theseThe total electric flux out of any closed surface is proportional to the totalelectric charge inside the surface. This law is:a) Gauss's b) Biot-Savart's c) Maxwell'sKiss FM operates at 102.3MHz, as Radio waves travel at the speed oflight, 3.00 × 108 m s, the wavelength of Kiss FM is:a) 306.9 mb) 0.341mc) 2.9 md) none of thesed) none of thesePage 1 of 3|||The capacitance is the measure of a capacitor's ability to store:a) Voltage b) electrical charge c) Potential energy d) PowerThe resistivity of copper is 1.7×10-³m. A wire in copper has 3mlength and the cross-sectional radius of 0.5 mm. Thus, its resistance isa) 6.5 x 10-14c) 6.5 x 10²d) None of theseb) 6.5 x 10-²0A 20- electric iron at 220-V line is operated 3hours every day in a tailor'sshop. In Rwanda the cost of energy is around 3.63kWh 1000Frw. which isthe true statement among below?a) The tailor spends around 10,000Frw in 5 working daysb) The tailorspends around 500Frw every working day301 3:57The below figure shows two identical balls, each of mass 0.10 g, carryidentical charges and are suspended by two threads of equal length. Atequilibrium they position themselves as shown. Find the charge on eitherball?FEdtmgVT = 100 V (~A galvanometer of 1000 Q internal resistance is to be converted into avoltmeter. If its full-scale deflection would read 6V, while current of 1mA ifflowing in it, what is the value of its multiplier resistor?10 92FTV₂60°Determine the frequency bandwidth of the resonant series RLC circuit in thediagram shown below40 cm|||Page 2 of 3RI 20 ΩXc카50°1000In the circuit shown in the figure below, 200 joules of thermal energy are 2produced each second in the 4.0 9 resistor. Assuming the ammeter and twovoltmeters to be ideal, what will be their readings?4.0 92-------M1592M wwwXL100010 ΩV₁The differential equation of a tank circuit (or electrical oscillator) is written:L2+2=0, where L is an inductance and C is a capacitanceAa) Draw a circuit diagram of that tankb) Write the general solution of this differential equation.c) What is the frequency formula of this circuit?d) How do we name such a frequency?29

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In the multiple choices below, choose best answers. An ammeter can measure current in a given wire, thanks to its shunt resistor connect in: a) series with its galvanometer b) parallel with its galvanometer In transmission lines, a step-down transformer is used to: a) Reduce current in lines d) increase current in lines b) reduce voltage c) reduce power e) none of these A plastic object is rubbed against cotton and grabs positive charge, when similar object is rubbed against hair, it grabs negative charges. a) Hair is more electronegative than cotton; b) Hair is more electronegative than cotton. c) none of these

In the multiple choices below, choose best answers. An ammeter can measure current in a given wire, thanks to its shunt resistor connect in: a) series with its galvanometer b) parallel with its galvanometer In transmission lines, a step-down transformer is used to: a) Reduce current in lines d) increase current in lines b) reduce voltage c) reduce power e) none of these A plastic object is rubbed against cotton and grabs positive charge, when similar object is rubbed against hair, it grabs negative charges. a) Hair is more electronegative than cotton; b) Hair is more electronegative than cotton. c) none of these

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Subject : Electronics Engineering
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