Electronic Principles At room temperature an intrinsic semiconductor has a few free electrons and holes None of these many holes No holes many free electrons a few free electrons and holes None of these many holes No holes many free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: One-half the primary current No more than 10% less than the primary current Same as the primary current Twice the primary current None of these One-half the primary current No more than 10% less than the primary current Same as the primary current Twice the primary current None of these 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? 7.75 µA None of these 10.3 µA 7.8 µA 14.8 µA 7.75 µA None of these 10.3 µA 7.8 µA 14.8 µA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? None of these The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages entering and leaving a point is equal to zero The algebraic sum of voltages in a loop is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it None of these The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages entering and leaving a point is equal to zero The algebraic sum of voltages in a loop is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes are the minority carriers in which type of semiconductor? p-type Intrinsic Extrinsic n-type None of these p-type Intrinsic Extrinsic n-type None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is a negative ion? An atom that contains more electrons than protons None of these An atom that contains more protons than electrons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons An atom that contains more electrons than protons None of these An atom that contains more protons than electrons An atom that contains more electrons than neutrons An atom that contains more protons than neutrons ANSWER DOWNLOAD EXAMIANS APP
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