Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 43891 43922 None of these 3 2 43891 43922 None of these 3 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used for creating static electricity? None of these Mechanical energy Light energy Solar energy Chemical energy None of these Mechanical energy Light energy Solar energy Chemical energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 250 Ohm 70.7Ohm 99.3 Ohm 60 Ohm None of these 250 Ohm 70.7Ohm 99.3 Ohm 60 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? None of these 0.2 A 0.6 A 0.4 A 0.3 A None of these 0.2 A 0.6 A 0.4 A 0.3 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the difference between the kinds of charges for an electron and a proton? An electron has a positive charge and a proton has no charge None of these An electron has a negative charge and a proton has no charge An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has a negative charge An electron has a positive charge and a proton has no charge None of these An electron has a negative charge and a proton has no charge An electron has a negative charge and a proton has a positive charge An electron has a positive charge and a proton has a negative charge ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: photodiode piezoelectric device solar cell None of these nicad cell photodiode piezoelectric device solar cell None of these nicad cell ANSWER DOWNLOAD EXAMIANS APP
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