Electronic Principles What is the phase shift between total current and voltage in the circuit of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm 30 degree 45 degree 75 degree 180 degree None of these 30 degree 45 degree 75 degree 180 degree None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles An intrinsic semiconductor has some holes in it at room temperature. What causes these holes? Free electrons Thermal energy Doping None of these Valence electrons Free electrons Thermal energy Doping None of these Valence electrons ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? Copper Germanium All of these None of these Silicon Copper Germanium All of these None of these Silicon ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: multiplies the capacitive reactance by 6.28 None of these has no effect on the capacitive reactance cuts the capacitive reactance in half doubles the amount of a capacitive reactance multiplies the capacitive reactance by 6.28 None of these has no effect on the capacitive reactance cuts the capacitive reactance in half doubles the amount of a capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current None of these Can be any of above Stays the same Increases Decreases None of these Can be any of above Stays the same Increases Decreases 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? 0.3 A 0.4 A 0.2 A None of these 0.6 A 0.3 A 0.4 A 0.2 A None of these 0.6 A ANSWER DOWNLOAD EXAMIANS APP
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