Electronic Principles The number of free electrons and holes in intrinsic semiconductor increases when the temperature Decreases Stays the same 0oC None of these Increases Decreases Stays the same 0oC None of these Increases 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 4 0.5 0.25 None of these 180 4 0.5 0.25 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold 220 Ohm, 10% 22,000 Ohm, 5% 22, 000 Ohm, 10% None of these 220 Ohm, 5% 220 Ohm, 10% 22,000 Ohm, 5% 22, 000 Ohm, 10% None of these 220 Ohm, 5% ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? None of these 150 ohm 220 ohm 690 ohm 445 ohm None of these 150 ohm 220 ohm 690 ohm 445 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts thermal energy to electrical energy is called a: None of these solar cell piezoelectric devices thermocouple chemical cell None of these solar cell piezoelectric devices thermocouple chemical cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A low-pass filter: has no effect on ac signals reduces the level of all frequencies by a significant amount passes higher-frequency signals and reduces lower-frequency signals None of these 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 passes higher-frequency signals and reduces lower-frequency signals None of these passes lower-frequency signals and reduces higher-frequency signals ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS