Electronic Principles Doubling the operating frequency of a purely capacitive circuit: has no effect on the total circuit current cuts the total current by one-half doubles the amount of total current thrice the amount of total current None of these has no effect on the total circuit current cuts the total current by one-half doubles the amount of total current thrice the amount of total current None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following kinds of materials has the highest permeability? None of these A diamagnetic material A paramagnetic material A ferromagnetic material All of these None of these A diamagnetic material A paramagnetic material A ferromagnetic material All of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the impedance of a circuit composed of a 100 ohm resistor connected in parallel with a capacitor that has a reactance of 100 ohm? 250 Ohm 70.7Ohm 60 Ohm None of these 99.3 Ohm 250 Ohm 70.7Ohm 60 Ohm None of these 99.3 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Electrons, ions, and neutrons Electrons, protons, and neutrons Protons only None of these Electrons, protons, and ions Electrons, ions, and neutrons Electrons, protons, and neutrons Protons only None of these Electrons, protons, and ions ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The core of an electromagnet is said to be in saturation when: None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core 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 the core is permitted to move freely within the coil None of these changing the polarity of the current in the coil changes the polarity of the magnetic field around the core 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 the core is permitted to move freely within the coil ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The merging of a free electron and a hole is called Thermal energy None of these Lifetime Recombination Covalent bonding Thermal energy None of these Lifetime Recombination Covalent bonding ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS