Electronic Principles A device that converts thermal energy to electrical energy is called a: chemical cell piezoelectric devices thermocouple solar cell None of these chemical cell piezoelectric devices thermocouple solar cell None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following phrasers best describes flux density? The force that maintains lines of force The opposition to a build-up of magnetic fields The concentration of lines of magnetic force The rate of change of the number of lines of magnetic force None of these The force that maintains lines of force The opposition to a build-up of magnetic fields The concentration of lines of magnetic force The rate of change of the number of lines of magnetic force None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The period of a waveform is: None of these the number of cycles completed in one second the time required to complete one full cycle equal to 0.707 times the peak amplitude the time required for the voltage to rise from 10% to 90% of the peak amplitude None of these the number of cycles completed in one second the time required to complete one full cycle equal to 0.707 times the peak amplitude the time required for the voltage to rise from 10% to 90% of the peak amplitude ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Two diodes are in series. The first diode has a voltage of 0.75 V and the second has a voltage of 0.8 V. If the current through the first diode is 500 mA, what is the current through the second diode None of these 10 mA 11 mA 12 mA 14 mA None of these 10 mA 11 mA 12 mA 14 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The knee voltage of a diode is approximately equal to the Breakdown voltage None of these Applied voltage Barrier potential Forward voltage Breakdown voltage None of these Applied voltage Barrier potential Forward voltage ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 5 Ohm 100 Ohm 50 Ohm or more None of these 6 Ohm 5 Ohm 100 Ohm 50 Ohm or more None of these 6 Ohm ANSWER DOWNLOAD EXAMIANS APP