Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.2 mA 13 mA 3.75 mA 0.05 mA None of these 3.2 mA 13 mA 3.75 mA 0.05 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? less than the free electrons Same number as free electrons None of these Only those produced by thermal energy many less than the free electrons Same number as free electrons None of these Only those produced by thermal energy many ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A current source has an internal resistance of 100 kW. What is the largest load resistance if the current source must appear stiff? 20 k Ohm 10 k Ohm None of these 2 k Ohm 1 k Ohm 20 k Ohm 10 k Ohm None of these 2 k Ohm 1 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The dielectric constant of a material is a measure of: the amount of opposition to the current flow None of these how well the material concentrates electrostatic lines of force the amount of voltage it can withstand before breaking down how well the material concentrates magnetic lines of force the amount of opposition to the current flow None of these how well the material concentrates electrostatic lines of force the amount of voltage it can withstand before breaking down how well the material concentrates magnetic lines of force ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: multiplies the value of inductance by two None of these reduces the value of inductance by one-half multiplies the value of inductance by four reduces the value of inductance by one-fourth multiplies the value of inductance by two None of these reduces the value of inductance by one-half multiplies the value of inductance by four reduces the value of inductance by one-fourth ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Current can flow through a normally open push button switch as long as: its contact remain open None of these its contact remain open you are not pressing the button you are pressing the button its contact remain open None of these its contact remain open you are not pressing the button you are pressing the button ANSWER DOWNLOAD EXAMIANS APP
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