Electronic Principles The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be: Same as the primary current No more than 10% less than the primary current One-half the primary current None of these Twice the primary current Same as the primary current No more than 10% less than the primary current One-half the primary current None of these Twice the primary current ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles At cut off, the Q point is at upper end of the load line None of these lower end of the load line middle of the load line infinity upper end of the load line None of these lower end of the load line middle of the load line infinity ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Reducing the amount of current through an inductor: None of these reduces the value of inductance by one-half has no effect on the inductance multiplies the value of inductance by four multiplies the value of inductance by two None of these reduces the value of inductance by one-half has no effect on the inductance multiplies the value of inductance by four multiplies the value of inductance by two ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question? 1000 W 100 W None of these 20 W 200 W 1000 W 100 W None of these 20 W 200 W ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff? 6 Ohm 50 Ohm or more 100 Ohm 5 Ohm None of these 6 Ohm 50 Ohm or more 100 Ohm 5 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current? I = P/E P = E2/R P = I2R P = IE None of these I = P/E P = E2/R P = I2R P = IE None of these ANSWER DOWNLOAD EXAMIANS APP