Electronic Principles A device that converts mechanical into electrical energy is? solar cell generator thermocouple chemical cell None of these solar cell generator thermocouple chemical cell None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A circuit has two different voltage sources that are connected in a series-aiding form. If the sources are rated at 6 V and 9 V, what is the total source voltage? 8 V 7.5 V 15 V None of these 16 V 8 V 7.5 V 15 V None of these 16 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Impossible to say None of these Neither Secondary voltage Primary voltage Impossible to say None of these Neither Secondary voltage Primary voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? None of these many Same number as free electrons Only those produced by thermal energy less than the free electrons None of these many Same number as free electrons Only those produced by thermal energy less than the free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the smallest number of polarities required for current flow? None of these Three - negative, positive and neutral terminals Four - two negative and two positive One - a negative terminal Two - a negative terminal and a positive terminal None of these Three - negative, positive and neutral terminals Four - two negative and two positive One - a negative terminal Two - a negative terminal and a positive terminal ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? The algebraic sum of voltages in a loop is equal to zero The algebraic sum of voltages entering and leaving a point is equal to zero None of these The total voltage in a parallel circuit is less than the value of the smallest voltage The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The algebraic sum of voltages in a loop is equal to zero The algebraic sum of voltages entering and leaving a point is equal to zero None of these The total voltage in a parallel circuit is less than the value of the smallest voltage 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
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