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TPC BASIC ELECTRICITY & ELECTRONICS EXAM QUESTIONS AND ANSWERS
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TPC BASIC ELECTRICITY & ELECTRONICS EXAM QUESTIONS AND ANSWERS...
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Modern electrical equipment relies on knowing the link between _______ and_______. - ANSWER electricity and magnetism
If there is a gap in an electric circuit, it is said to be open.
Atomic particles with a positive electrical charge are known as protons.
Static electricity - ANSWER does not move.
You may find electricity easier to understand if you consider voltage as
electrical - ANSWER pressure.
Identical cells linked together in __________ give more _________ than a
single cell. - ANSWER parallel, current capacity
You must be careful when recharging lead-acid batteries since they can explode.
Can throw acid around the area.
produces combustible gases.
"all of the above" ALL IS ANSWER.
The negative plate in an electrochemical cell is termed the ANSWER cathode.
, Which device for creating a potential difference is made of two distinct metals
soldered together? - ANSWER Thermocouple
An optoisolator receives a low-voltage signal on the LED side of the device and
activates a device that
On the output side, it provides a voltage of ___________. - Answer higher.
The objective of a potentiometer is to divide a potential difference into two
halves.
Power is measured in watts.
Variable resistors from ^1/_2 to 2 watts are called _____________, while those
in the range of
The power range of 5 to 1000 watts is known as _____________. - ANSWER
Potentiometers and Rheostats
If the fourth colour band of a resistor is silver, the measured value of resistance
is within _______ per cent of
The designated value - ANSWER 10.
Which of the following diode operating standards describes the highest potential
difference that can
Can reverse voltage be applied across a diode without destroying it? -
ANSWER Peak inverse voltage.
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