Electronic Principles What is the barrier potential of a silicon diode at room temperature? 2 m V per degree Celsius None of these 0.7V 0.3V 1 V 2 m V per degree Celsius None of these 0.7V 0.3V 1 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Household light bulbs have a given power rating, and they operate at 120 V. Which one of the following equations most directly provides the current rating of these light bulbs? P = IE I = P/E None of these P = I2R P = E2/R P = IE I = P/E None of these P = I2R P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 micro A is: one million amperes 10000A 1000 A one-millionth of an ampere None of these one million amperes 10000A 1000 A one-millionth of an ampere None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Valence electrons Thermal energy None of these Doping Free electrons Valence electrons Thermal energy None of these Doping Free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The component that forms the electrical connection between the rotating coil of wire in a motor and the external source of electrical energy is called the: None of these battery rotor commutator armature None of these battery rotor commutator armature ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 1000 W 100 W 200 W None of these 20 W 1000 W 100 W 200 W None of these 20 W ANSWER DOWNLOAD EXAMIANS APP
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