Electronic Principles Which one of the following devices is most often used for measuring opposition to current flow in a circuit? Wattmeter None of these Ammeter Ohmmeter Voltmeter Wattmeter None of these Ammeter Ohmmeter Voltmeter ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts mechanical pressure to electrical energy is called a: solar cell photodiode piezoelectric device None of these nicad cell solar cell photodiode piezoelectric device None of these nicad cell ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 3 43922 None of these 43891 2 3 43922 None of these 43891 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 550 Ohm 410 Ohm None of these 400 Ohm 310 Ohm 550 Ohm 410 Ohm None of these 400 Ohm 310 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts thermal energy to electrical energy is called a: thermocouple piezoelectric devices solar cell chemical cell None of these thermocouple piezoelectric devices solar cell chemical cell None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is The flow of charged particles through a material None of these Trie force that causes electrons to flow The number of free electrons in an atom The smallest electrically charged particle The flow of charged particles through a material None of these Trie force that causes electrons to flow The number of free electrons in an atom The smallest electrically charged particle ANSWER DOWNLOAD EXAMIANS APP