Electronic Principles In a step-down transformer, which is larger? None of these Secondary voltage Impossible to say Primary voltage Neither None of these Secondary voltage Impossible to say Primary voltage Neither ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A farad is defined as the amount of capacitance necessary for: dissipating 1 W of power None of these changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing causing an ac phase shift greater than 90 degree storing 1 V for 1 second dissipating 1 W of power None of these changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing causing an ac phase shift greater than 90 degree storing 1 V for 1 second ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold 22,000 Ohm, 5% 22, 000 Ohm, 10% None of these 220 Ohm, 10% 220 Ohm, 5% 22,000 Ohm, 5% 22, 000 Ohm, 10% None of these 220 Ohm, 10% 220 Ohm, 5% ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A loadstone is: None of these a natural magnet a temporary magnet a paramagnetic alloy an artificial magnet None of these a natural magnet a temporary magnet a paramagnetic alloy an artificial magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: 100,000 ohm 1 k ohm one-millionth of an ohm None of these one million ohms 100,000 ohm 1 k ohm one-millionth of an ohm None of these one million ohms ANSWER DOWNLOAD EXAMIANS APP
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? 7.8 mA 208 mA None of these 200 mA 300 mA 7.8 mA 208 mA None of these 200 mA 300 mA ANSWER DOWNLOAD EXAMIANS APP