Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: None of these from 10% of the peak value to 90% of the peak value from zero to its peak value from zero to its rms value from 10% of the peak value to 70.7% of the peak value None of these from 10% of the peak value to 90% of the peak value from zero to its peak value from zero to its rms value from 10% of the peak value to 70.7% of the peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 kV is: None of these 100 mV 1000 mV 1000 V 1.00 V None of these 100 mV 1000 mV 1000 V 1.00 V 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 0.4 A 0.6 A 0.3 A None of these 0.2 A 0.4 A 0.6 A 0.3 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? The amount of magnetic flux that is not confined to the core material of an electromagnet Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The force of attraction between the poles of a permanent and temporary magnetic field None of these The circular magnetic field that surrounds a conductor carrying a current The amount of magnetic flux that is not confined to the core material of an electromagnet Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The force of attraction between the poles of a permanent and temporary magnetic field None of these The circular magnetic field that surrounds a conductor carrying a current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 64 W 122 W 3 W 6 W None of these 64 W 122 W 3 W 6 W None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the barrier potential of a silicon diode at room temperature? None of these 1 V 0.3V 0.7V 2 m V per degree Celsius None of these 1 V 0.3V 0.7V 2 m V per degree Celsius ANSWER DOWNLOAD EXAMIANS APP
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