SUMMATIVE TEST IN ELECTRONICS- QUARTER 1
Quiz by Margarita Salaria
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This device is used to restrict the amount of current flow through a device.29
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This device is used to restrict the amount of current flow through a device.
It allows current to flow only in one direction.
Which of the following material is an insulator?
Which of the following describes the temperature dependence of an insulator?
The resistance of an insulator decreases in high temperature
The resistance of an insulator increases as the temperature increases
All of the above
The resistance of an insulator is very high but still decreases at low temperature30s
This material permits moving charges to pass through.
Why does a semiconductor can permit or not permit moving charges to pass through?
Because wide band gap and no hole
Because of moving charge and holes in the band gap
All the given
Because there is no space on the band gap30s
Which of the following is the best example of a semiconductor?
Which of the following statement is true?
The coefficient of resistivity of an insulator is positive
The coefficient of the semiconductor is positive
The coefficient of semiconductors and insulators are negative except that insulator has very high resistance.
The coefficient of resistivity of a conductor is negative30s
It is used in removing soldered wires and components on printed circuit boards for troubleshooting and repair purposes.
Used for trimming component leads close to the circuit board.
Plastic bottle is classified as ;
A wet cloth is ;
Rubber tires are;
Gold coins are;
Silicon Chips are;
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