Electronic Principles If a load resistance is 1 kW, a stiff current source has a resistance of More than 100 k Ohm None of these Less than 10 Ohm At least 10 Ohm Less than 100 k Ohm More than 100 k Ohm None of these Less than 10 Ohm At least 10 Ohm Less than 100 k Ohm 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 None of these 0.4 A 0.6 A 0.3 A 0.2 A None of these 0.4 A 0.6 A 0.3 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A device that converts chemical energy to electrical energy is called a: electric device chemical cell None of these solar cell thermocouple electric device chemical cell None of these solar cell thermocouple ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles As the temperature increases, the current gain increases contant can be any of the above decreases None of these increases contant can be any of the above decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to resistance in an electrical circuit? There is no valid comparison Reluctance Retentivity Permeance Permeability There is no valid comparison Reluctance Retentivity Permeance Permeability ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A zener diode has a voltage of 10 V and a current of 20 mA. What is the power dissipation? 10 mW 300 mW 20 mW None of these 200 mW 10 mW 300 mW 20 mW None of these 200 mW ANSWER DOWNLOAD EXAMIANS APP