Electronic Principles What is the barrier potential of a silicon diode at room temperature? 1 V 0.7V None of these 2 m V per degree Celsius 0.3V 1 V 0.7V None of these 2 m V per degree Celsius 0.3V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the total resistance of a parallel circuit that contains two resistors having values of 220 ohm and 470 ohm? 445 ohm None of these 220 ohm 690 ohm 150 ohm 445 ohm None of these 220 ohm 690 ohm 150 ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A battery is a device composed of one or more: chemical cells None of these solar cells voltage generators piezoeletric cells chemical cells None of these solar cells voltage generators piezoeletric cells ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What kind of battery is most likely included in a cordless electric knife? Nicad battery None of these Zinc-carbon battery Mercury-cell battery Lead-acid battery Nicad battery None of these Zinc-carbon battery Mercury-cell battery Lead-acid battery 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 6 Ohm 50 Ohm or more None of these 100 Ohm 5 Ohm 6 Ohm 50 Ohm or more None of these 100 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core the core is permitted to move freely within the coil frequent changes in the direction of current through the coil causes heating effects in the core material an increase in current through the coil causes no further increase in the mmf None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core ANSWER DOWNLOAD EXAMIANS APP
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