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? P = I2R P = IE I = P/E None of these P = E2/R P = I2R P = IE I = P/E None of these P = E2/R ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Suppose a voltage source has an ideal voltage of 15V and a source resistance of 0.2W. For what values of load resistance will the voltage source appear stiff? 20 Ohm 30 Ohm 100 Ohm 10 Ohm None of these 20 Ohm 30 Ohm 100 Ohm 10 Ohm None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A certain electromagnet has 1000 turns of wire. How much current must flow through the coil in order to generate an mmf of 100 ampere-turns? 100 A 0.1 A 0.41666666666667 None of these 1000 A 100 A 0.1 A 0.41666666666667 None of these 1000 A ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit? Magnetomotive force Flux density Number of lines of force None of these Reluctance Magnetomotive force Flux density Number of lines of force None of these Reluctance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Which one of the following is a statement of KirchhofFs voltage law? The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages entering and leaving a point is equal to zero None of these The algebraic sum of voltages in a loop is equal to zero The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it The total voltage in a parallel circuit is less than the value of the smallest voltage The algebraic sum of voltages entering and leaving a point is equal to zero None of these The algebraic sum of voltages in a loop is equal to zero ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles When the Q point moves along the load line, the voltage increases when the current Can be any of above Stays the same None of these Decreases Increases Can be any of above Stays the same None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS