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? 200 mA 7.8 mA 300 mA 208 mA None of these 200 mA 7.8 mA 300 mA 208 mA None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A typical light switch in your home is a: None of these rotary switch knife switch toggle switch momentary push button switch None of these rotary switch knife switch toggle switch momentary push button switch ANSWER DOWNLOAD EXAMIANS APP
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 None of these 75 degree 45 degree 180 degree 30 degree None of these 75 degree 45 degree 180 degree 30 degree ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which is the most widely used semiconductor? None of these All of these Copper Germanium Silicon None of these All of these Copper Germanium Silicon ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The voltage across a 1N4001 is 0.93V when the current is 1A. What is the power dissipation of the diode for these values? 9.3 W None of these 0.93 V 0.041666666666667 0.93 W 9.3 W None of these 0.93 V 0.041666666666667 0.93 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the collector current increases, what does the current gain do? increases decreases None of these stays the same any of the above increases decreases None of these stays the same any of the above ANSWER DOWNLOAD EXAMIANS APP