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? 100 Ohm 6 Ohm 5 Ohm None of these 50 Ohm or more 100 Ohm 6 Ohm 5 Ohm None of these 50 Ohm or more ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the diameter of the coil in an inductor: None of these multiplies the value of inductance by four reduces the value of inductance by one-fourth reduces the value of inductance by one-half multiplies the value of inductance by two None of these multiplies the value of inductance by four reduces the value of inductance by one-fourth reduces the value of inductance by one-half multiplies the value of inductance by two ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles In a step-down transformer, which is larger? Neither Impossible to say Secondary voltage Primary voltage None of these Neither Impossible to say Secondary voltage Primary voltage None of these 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? 0.20833333333333 50 A 20 A None of these 0.20833333333333 50 A 20 A None of these ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles For a pure capacitor: ac current lags the voltage by 90 degree None of these ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current and voltage are exactly in phase ac current lags the voltage by 90 degree None of these ac current is converted to dc voltage ac current leads the voltage by 90 degree ac current and voltage are exactly in phase 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 voltage drop and amount of resistance? P = E2/R P = I2R P = IE None of these I = P/E P = E2/R P = I2R P = IE None of these I = P/E ANSWER DOWNLOAD EXAMIANS APP
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