Electronic Principles The basic unit of measurement for current is the: None of these watt volt ohm ampere None of these watt volt ohm ampere ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of None of these Less than 100 k Ohm More than 100 k Ohm Less than 10 Ohm At least 10 Ohm None of these Less than 100 k Ohm More than 100 k Ohm Less than 10 Ohm At least 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The equivalent of 1 megohms is: 100,000 ohm None of these one-millionth of an ohm 1 k ohm one million ohms 100,000 ohm None of these one-millionth of an ohm 1 k ohm one million ohms ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What is the turns ratio of a power transformer that shows 50 V at its secondary winding when you apply 150 V to its primary winding? 3 43891 43922 2 None of these 3 43891 43922 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: has no effect on the inductance multiplies the value of inductance by two None of these multiplies the value of inductance by four reduces the value of inductance by one-half has no effect on the inductance multiplies the value of inductance by two None of these multiplies the value of inductance by four reduces the value of inductance by one-half ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a step-down transformer has a turns ration of 5:1. If the secondary current is 1A rms, what is the primary-current? 0.2 A 0.4 A None of these 0.3 A 0.6 A 0.2 A 0.4 A None of these 0.3 A 0.6 A ANSWER DOWNLOAD EXAMIANS APP