Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance? I = P/E None of these P = IE P = I2R P = E2/R I = P/E None of these P = IE P = I2R P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 0.20833333333333 20 A 50 A None of these 0.20833333333333 20 A 50 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much power is being dissipated by a 1000 W resistance that has 25 V applied to it? 80 W None of these 0.625 W 0.24 W 325 kW 80 W None of these 0.625 W 0.24 W 325 kW ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? None of these 6 W 3 W 122 W 64 W None of these 6 W 3 W 122 W 64 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is The number of free electrons in an atom Trie force that causes electrons to flow None of these The smallest electrically charged particle The flow of charged particles through a material The number of free electrons in an atom Trie force that causes electrons to flow None of these The smallest electrically charged particle The flow of charged particles through a material ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following principles best describes the basic operation of an electromagnet? Like magnetic poles attract, while unlike poles repel Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel, while unlike poles attract None of these Current flowing through a conductor generates a magnetic field Like magnetic poles attract, while unlike poles repel Current is induced in a conductor that is moving through a magnetic field Like magnetic poles repel, while unlike poles attract None of these Current flowing through a conductor generates a magnetic field ANSWER DOWNLOAD EXAMIANS APP