Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit? Number of lines of force Magnetomotive force None of these Reluctance Flux density Number of lines of force Magnetomotive force None of these Reluctance Flux density ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is 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 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 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of At least 10 Ohm None of these More than 100 k Ohm less than 10 Ohm Less than 100 k Ohm At least 10 Ohm None of these More than 100 k Ohm less than 10 Ohm Less than 100 k Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 0.1 A 100 A 0.41666666666667 1000 A None of these 0.1 A 100 A 0.41666666666667 1000 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.2 A 0.3 A None of these 0.4 A 0.6 A 0.2 A 0.3 A None of these 0.4 A 0.6 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is one important thing transistors do? None of these Rectify line voltage Regulate voltage Emit light Amplify weak signals None of these Rectify line voltage Regulate voltage Emit light Amplify weak signals ANSWER DOWNLOAD EXAMIANS APP
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