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it is desired to run the motor in the previous problem with a power factor of unity to achieve this a capacitor c is
using a 1-ma 100-omega darsonval movement design a multirange voltmeter having scales of 5 v 50 v and 500 vshow the
a digital meter has an internal resistance of 10 momega on its 05-v rangeif you had to build a voltmeter with a
a motor can be represented by a resistance r and inductance l in series if this motor has a power factor of 0866 at a
audio amplifiers use transformer coupling between the final amplifier stage and a speaker to match impedances and in
a doorbell is connected to a transformer whose primary contains 3000 turns and which is connected to 120 vac if the
a design a series ohmmeter using a 100-ma 1000-omega movement a zero-adjust with a maximum value of 2 komega a battery
a half-wave rectifier diode which has an internal resistance of 20 omega while conducting is to supply power to a 1
write a program that will find the complete solution for the network of given figurethat is given all the parameters of
determine the peak voltage of the full-wave bridge rectifier shown in fig 33a assuming the diodes are ideal but have a
write a program to find all the quantities of given example given the network parametersexamplefor the transistor
the zener diode shown in fig 310a has a voltage breakdown of 100 v with a maximum rated current of 20 ma if the supply
find the voltage vabnbspwith polarity across the ideal current source of given
a determine v for the current source of given figurea with an internal resistance of 10 komegab the source of part a is
a transducer produces a 1microw signal at 100 microv which is applied to an amplifier if the output of the amplifier is
using the real amplifier outlined in problem 2 how would you change the inputoutput resistance of the amplifier so as
for the network of given figurea find the currents i1nbspand isb find the voltages vsnbspand
a microphone of 300omega impedance has an output at -60 db below a 1 mw reference level the microphone provides input
for the network of given figurea find the current through the 2-omega resistorb convert the current source and 4-omega
for cascaded amplifiers in general at the half-power frequency of one stage what will the loss in decibels be in
for the configuration of given figurea convert the current source and 68-omega resistor to a voltage sourceb find the
a 1 microv signal is to be amplified in a differential amplifier for which the cmrr is specified as 100 db find how
the network of given figure is the basic biasing arrangement for the field-effect transistor fet a device of increasing
for the network of given figurea determine rtb calculate vac find v1d calculate v2e determine i with
for the network of given figurea determine the current ib find