Electronic Principles What is the power dissipation of a resistance that has 24 V dropped across it and 0.25 A flowing through it? 64 W 6 W 3 W None of these 122 W 64 W 6 W 3 W None of these 122 W 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? 50 A 20 A 0.20833333333333 None of these 50 A 20 A 0.20833333333333 None of these 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 Increases None of these Stays the same Decreases Can be any of above Increases None of these Stays the same Decreases ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles Doubling the operating frequency of a capacitive circuit: None of these has no effect on the capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 doubles the amount of a capacitive reactance None of these has no effect on the capacitive reactance cuts the capacitive reactance in half multiplies the capacitive reactance by 6.28 doubles the amount of a capacitive reactance ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A transformer has a primary voltage of 120 V rms and a secondary voltage of 25 V rms. If the secondary current is 1A rms, what is the primary current? 7.8 mA 300 mA 200 mA None of these 208 mA 7.8 mA 300 mA 200 mA None of these 208 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If a load resistance is 1 kW, a stiff voltage source has a resistance of None of these More than 100 k Ohm Less than 100 k Ohm At least 10 Ohm less than 10 Ohm None of these More than 100 k Ohm Less than 100 k Ohm At least 10 Ohm less than 10 Ohm ANSWER DOWNLOAD EXAMIANS APP
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