Electronic Principles The equivalent of 1 micro A is: one million amperes 1000 A one-millionth of an ampere None of these 10000A one million amperes 1000 A one-millionth of an ampere None of these 10000A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage? 24 V 12 V 30 V None of these 18 V 24 V 12 V 30 V None of these 18 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Neither None of these Primary voltage Secondary voltage Impossible to say Neither None of these Primary voltage Secondary voltage Impossible to say ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current and voltage are said to be in phase when: their waveforms are both ac or both dc None of these All of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency their waveforms are both ac or both dc None of these All of these their waveforms cross through zero and reach positive and negative peaks at the same time they have the same amplitude and frequency ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: None of these piezoeletric cells chemical cells solar cells voltage generators None of these piezoeletric cells chemical cells solar cells voltage generators ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? Two - a negative terminal and a positive terminal One - a negative terminal Three - negative, positive and neutral terminals Four - two negative and two positive None of these Two - a negative terminal and a positive terminal One - a negative terminal Three - negative, positive and neutral terminals Four - two negative and two positive None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS