Electronic Principles Suppose the zener diode has a breakdown voltage of 10 V and zener resistance of 8.5 W, what is the additional voltage when the current is 20 mA? 18.8 V None of these 20 V 0.17 V 10.17 V 18.8 V None of these 20 V 0.17 V 10.17 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A step-up transformer has a turns ratio of 1:4. If the line voltage is 115 V rms, what is the peak secondary voltage? 707 V 651 V None of these 700 V 208 V 707 V 651 V None of these 700 V 208 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles As the temperature increases, the current gain contant None of these increases can be any of the above decreases contant None of these increases can be any of the above decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Inductive reactance is measured in units of: henrys None of these volts per second amperes per second Ohm henrys None of these volts per second amperes per second Ohm 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? None of these 0.20833333333333 20 A 50 A None of these 0.20833333333333 20 A 50 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles What form of energy is used for creating static electricity? Light energy Solar energy Chemical energy None of these Mechanical energy Light energy Solar energy Chemical energy None of these Mechanical energy ANSWER DOWNLOAD EXAMIANS APP