Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? None of these 200 mW 10 mW 20 mW 300 mW None of these 200 mW 10 mW 20 mW 300 mW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The south pole of a magnet is the one: that would be attracted to the earths north magnetic pole that would be attracted to the earth's south magnetic pole None of these that has its molecules arranged in a random pattern that would be repelled by the north pole of another magnet that would be attracted to the earths north magnetic pole that would be attracted to the earth's south magnetic pole None of these that has its molecules arranged in a random pattern that would be repelled by the north pole of another magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a current source has an Ideal current of 10 mA and an internal resistance of 20 MW. For what values of load resistance will the current source appear stiff? 20 km or less 20 k Ohm or more 200 k Ohm or less 200 k Ohm or more None of these 20 km or less 20 k Ohm or more 200 k Ohm or less 200 k Ohm or more 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? 0.4 A None of these 0.6 A 0.3 A 0.2 A 0.4 A None of these 0.6 A 0.3 A 0.2 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common auto batteries? Auto batteries are secondary dry-cell batteries Auto batteries are primary wet-cell batteries Auto batteries are primary dry-cell batteries Auto batteries are secondary wet-cell batteries None of these Auto batteries are secondary dry-cell batteries Auto batteries are primary wet-cell batteries Auto batteries are primary dry-cell batteries Auto batteries are secondary wet-cell batteries None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrases best describes residual magnetism? The force of attraction between the poles of a permanent and temporary magnetic field The circular magnetic field that surrounds a conductor carrying a current None of these Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The amount of magnetic flux that is not confined to the core material of an electromagnet The force of attraction between the poles of a permanent and temporary magnetic field The circular magnetic field that surrounds a conductor carrying a current None of these Magnetism that remains in the core of an electromagnet after the current through the coil is turned off The amount of magnetic flux that is not confined to the core material of an electromagnet ANSWER DOWNLOAD EXAMIANS APP