Electronic Principles Suppose the peak value of a sinusoidal voltage is 50 V. What is the rms value? 35.4 V None of these 37.4 V 30.4 V 38.74 V 35.4 V None of these 37.4 V 30.4 V 38.74 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 208 mA 200 mA 300 mA 7.8 mA None of these 208 mA 200 mA 300 mA 7.8 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Voltage is Trie force that causes electrons to flow None of these The flow of charged particles through a material The number of free electrons in an atom The smallest electrically charged particle Trie force that causes electrons to flow None of these The flow of charged particles through a material The number of free electrons in an atom The smallest electrically charged particle ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source? None of these 0.955 A 0.41666666666667 0.02 A 2.02 A None of these 0.955 A 0.41666666666667 0.02 A 2.02 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A dielectric material is: a poor conductor of electrostatic fields a good conductor a good conductor of magnetic fields a good insulator None of these a poor conductor of electrostatic fields a good conductor a good conductor of magnetic fields a good insulator None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At room temperature an intrinsic semiconductor has many holes a few free electrons and holes many free electrons None of these No holes many holes a few free electrons and holes many free electrons None of these No holes ANSWER DOWNLOAD EXAMIANS APP
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