Electronic Principles At room temperature an intrinsic semiconductor has No holes None of these many free electrons a few free electrons and holes many holes No holes None of these many free electrons a few free electrons and holes many holes ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: one million ohms 1 k ohm one-millionth of an ohm 100,000 ohm None of these one million ohms 1 k ohm one-millionth of an ohm 100,000 ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: None of these passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals reduces the level of all frequencies by a significant amount None of these passes higher-frequency signals and reduces lower-frequency signals passes lower-frequency signals and reduces higher-frequency signals has no effect on ac signals reduces the level of all frequencies by a significant amount ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? None of these 20 A 0.20833333333333 50 A None of these 20 A 0.20833333333333 50 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? many less than the free electrons None of these Same number as free electrons Only those produced by thermal energy many less than the free electrons None of these Same number as free electrons Only those produced by thermal energy ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following statements applies to common auto batteries? Auto batteries are primary dry-cell batteries Auto batteries are primary wet-cell batteries None of these Auto batteries are secondary wet-cell batteries Auto batteries are secondary dry-cell batteries Auto batteries are primary dry-cell batteries Auto batteries are primary wet-cell batteries None of these Auto batteries are secondary wet-cell batteries Auto batteries are secondary dry-cell batteries ANSWER DOWNLOAD EXAMIANS APP