Electronic Principles The dielectric constant of a material is a measure of: None of these how well the material concentrates magnetic lines of force how well the material concentrates electrostatic lines of force the amount of voltage it can withstand before breaking down the amount of opposition to the current flow None of these how well the material concentrates magnetic lines of force how well the material concentrates electrostatic lines of force the amount of voltage it can withstand before breaking down the amount of opposition to the current flow ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Holes act like: Atoms Negative charges Crystals None of these Positive charges Atoms Negative charges Crystals None of these Positive charges ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What are the main parts of an atom? Electrons, ions, and neutrons Electrons, protons, and ions Protons only Electrons, protons, and neutrons None of these Electrons, ions, and neutrons Electrons, protons, and ions Protons only Electrons, protons, and neutrons None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding? 20 A 0.20833333333333 50 A None of these 20 A 0.20833333333333 50 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles How may valence electrons does a silicon atom have? None of these 4 1 2 None of these 4 1 2 ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener regulator has an input voltage from 15 to 20 V and a load current from 5 to 20 mA. If the zener voltage is 6.8 V, what value should the series resistor have? 550 Ohm 400 Ohm None of these 410 Ohm 310 Ohm 550 Ohm 400 Ohm None of these 410 Ohm 310 Ohm ANSWER DOWNLOAD EXAMIANS APP