Electronic Principles The rise time of a pulse waveform is the time required for the voltage to rise: from 10% of the peak value to 90% of the peak value None of these from zero to its rms value from 10% of the peak value to 70.7% of the peak value from zero to its peak value from 10% of the peak value to 90% of the peak value None of these from zero to its rms value from 10% of the peak value to 70.7% of the peak value from zero to its peak value ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The transistor has a collector current of 2 mA. If the current gain is 135, what is the base current? 14.8 µA 7.8 µA 10.3 µA 7.75 µA None of these 14.8 µA 7.8 µA 10.3 µA 7.75 µA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transistor has a current gain of 125 and a base current of 30 µA. What is the collector current? 3.75 mA 13 mA None of these 0.05 mA 3.2 mA 3.75 mA 13 mA None of these 0.05 mA 3.2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? 0.02 A 2.02 A 0.955 A 0.41666666666667 None of these 0.02 A 2.02 A 0.955 A 0.41666666666667 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: multiplies the value of inductance by two reduces the value of inductance by one-fourth None of these reduces the value of inductance by one-half multiplies the value of inductance by four multiplies the value of inductance by two reduces the value of inductance by one-fourth None of these reduces the value of inductance by one-half multiplies the value of inductance by four ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic silicon crystal acts approximately like an insulator a battery None of these a conductor a piece of copper wire an insulator a battery None of these a conductor a piece of copper wire ANSWER DOWNLOAD EXAMIANS APP
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