Electronic Principles Doubling the diameter of the coil in an inductor: multiplies the value of inductance by four reduces the value of inductance by one-fourth reduces the value of inductance by one-half None of these multiplies the value of inductance by two multiplies the value of inductance by four reduces the value of inductance by one-fourth reduces the value of inductance by one-half None of these multiplies the value of inductance by two 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? 208 V None of these 700 V 651 V 707 V 208 V None of these 700 V 651 V 707 V ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles The north pole of a magnet is the one: that has its molecules arranged in a random pattern that would be attracted to the earth's north magnetic pole that would be attracted to the earth's south magnetic pole None of these that would be repelled by the south pole of another magnet that has its molecules arranged in a random pattern that would be attracted to the earth's north magnetic pole that would be attracted to the earth's south magnetic pole None of these that would be repelled by the south pole of another magnet ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles If the current gain is 200 and the collector current is 100 mA, the base current is 0.5 mA 0.083333333333333 None of these 200 A 2 mA 0.5 mA 0.083333333333333 None of these 200 A 2 mA ANSWER DOWNLOAD EXAMIANS APP
Electronic Principles A high-pass filter: passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals None of these passes higher-frequency signals and reduces lower-frequency signals increases the level of all frequencies by a significant amount has no effect on ac signals passes lower-frequency signals and reduces higher-frequency signals None of these 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? None of these 10 Ohm 30 Ohm 100 Ohm 20 Ohm None of these 10 Ohm 30 Ohm 100 Ohm 20 Ohm ANSWER DOWNLOAD EXAMIANS APP
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