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CETa - Motorola Exam With Accurate Answers (A+)
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CETa - Motorola Exam With Accurate Answers (A+)Each component in a series circuit will be the same or different than source voltage? -
ANSWER Will be different then source Voltage
Each component in a Parallel circuit will be the same or different than source voltage? -
ANSWER Will be the same as source Voltage
In a Thermistor high temperature equals.? - ANSWER High resistance
In a Thermistor low temperature equals.? - ANSWER low resistance
What is a thermistor - ANSWER thermal resistor
Most susceptible to static electricity - ANSWER CMOS
What is a MOSFET? - ANSWER Hi impedance voltage amplifier, such as vacuum tubes
When a germanium diode conducts, the anode is more positive than the cathode? True
or False? - ANSWER True
In a silicon diode, the anode must be at least what value more than the diode - ANSWER
.7
In a Germanium diode, the anode must be at least what value more than the diode -
ANSWER .3
What happens when gate voltage is applied - ANSWER The diode will conduct, or turn on
, In SRC once the gate voltage is removed - ANSWER the diode will continue to conduct
as long as the anode and cathode voltages are maintained (remains forward biased)
What is a Rectifier - ANSWER Changes alternating current to direct current. Full wall
bridge
What is Sin Wave frequency formula - ANSWER Frequency = 1/time
How do you get RMS - ANSWER take peak and multiply by .7V
What AC voltage would you measure across the secondary of a 10:1 reduction
transformer if its input is 125 VAC? - ANSWER 12.5 VAC
What AC voltage would you measure across the secondary of a 10:2 reduction
transformer if its input is 125 VAC? - ANSWER 25 VAC
Because of its ability to maintain a constant voltage during fluctuation current
conditions a semiconductor would be called a? - ANSWER Voltage Regulator
A Zener diode operates like an ordinary diode when forward biased. True or False? -
ANSWER True
A Zener diode acts as a voltage regulator when reverse biased. True or False? -
ANSWER True
What logic gate requires two high inputs to get high output? - ANSWER AND gate
What logic gate requires one input to be high to get a high output? - ANSWER OR gate
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