Electronic Principles A device that converts mechanical pressure to electrical energy is called a: solar cell None of these piezoelectric device nicad cell photodiode solar cell None of these piezoelectric device nicad cell photodiode ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The primary impedance of a transformer is 60 ohm and the secondary impedance is 120 ohm. What is the impedance ratio? 180 0.5 None of these 4 0.25 180 0.5 None of these 4 0.25 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating voltage of a purely capacitive circuit: multiplies the capacitive reactance by 7 None of these has no effect on the capacitive reactance cuts the capacitive reactance in half doubles the amount of capacitive reactance multiplies the capacitive reactance by 7 None of these has no effect on the capacitive reactance cuts the capacitive reactance in half doubles the amount of capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: None of these reduces the value of inductance by one-fourth reduces the value of inductance by one-half multiplies the value of inductance by two multiplies the value of inductance by four None of these reduces the value of inductance by one-fourth reduces the value of inductance by one-half multiplies the value of inductance by two multiplies the value of inductance by four ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature a conductor has low many holes? many less than the free electrons None of these Only those produced by thermal energy Same number as free electrons many less than the free electrons None of these Only those produced by thermal energy Same number as free electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Positive ions are atoms that have Lost an electron None of these Gained an electron Lost a proton Gained a proton Lost an electron None of these Gained an electron Lost a proton Gained a proton ANSWER DOWNLOAD EXAMIANS APP
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