Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? I = P/E P = I2R P = IE None of these P = E2/R I = P/E P = I2R P = IE None of these P = E2/R 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 22, 000 Ohm, 10% None of these 220 Ohm, 5% 22,000 Ohm, 5% 220 Ohm, 10% 22, 000 Ohm, 10% None of these 220 Ohm, 5% 22,000 Ohm, 5% 220 Ohm, 10% ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: henrys volts per second Ohm None of these amperes per second henrys volts per second Ohm None of these amperes per second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: one-millionth of an ohm one million ohms 100,000 ohm 1 k ohm None of these one-millionth of an ohm one million ohms 100,000 ohm 1 k ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 38.74 V None of these 30.4 V 37.4 V 35.4 V 38.74 V None of these 30.4 V 37.4 V 35.4 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: 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 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 ANSWER DOWNLOAD EXAMIANS APP
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