Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? 9.3 W 0.93 W 0.93 V 0.041666666666667 None of these 9.3 W 0.93 W 0.93 V 0.041666666666667 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core an increase in current through the coil causes no further increase in the mmf None of these the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material changing the polarity of the current in the coil changes the polarity of the magnetic field around the core an increase in current through the coil causes no further increase in the mmf None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: None of these has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals None of these has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals increases the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold 220 Ohm, 10% 22,000 Ohm, 5% None of these 220 Ohm, 5% 22, 000 Ohm, 10% 220 Ohm, 10% 22,000 Ohm, 5% None of these 220 Ohm, 5% 22, 000 Ohm, 10% ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Impossible to say None of these Secondary voltage Primary voltage Neither Impossible to say None of these Secondary voltage Primary voltage Neither ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: has no effect on the capacitive reactance cuts the capacitive reactance in half doubles the amount of a capacitive reactance None of these multiplies the capacitive reactance by 6.28 has no effect on the capacitive reactance cuts the capacitive reactance in half doubles the amount of a capacitive reactance None of these multiplies the capacitive reactance by 6.28 ANSWER DOWNLOAD EXAMIANS APP
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