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ELECTRICAL ENGINEERING REVISION QUESTIONS AND VERIFIED ANSWERS|100% CORRECT|GRADE A+
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ELECTRICAL ENGINEERING REVISION QUESTIONS AND VERIFIED ANSWERS|100% CORRECT|GRADE A+
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ELECTRICAL ENGINEERING REVISIONQUESTIONS AND VERIFIED
ANSWERS|100% CORRECT|GRADE A+
Q13:
how can a current of 130 milliamps be written? - ANSWER (C)
0.130 ohm
Q14:
which of the following best describes the prove test prove procedure? - ANSWER (C)
prove your metre is working on a known live source.
test your Circuit.
prove again that your metre is working on the same known live source
Q15:
what is the unit of resistance? - ANSWER Ohm (Ω)
Q1:
what does Ohm's law state about current flowing in a circuit? - ANSWER (C)
current is directly proportional to the voltage supply of the circuit
Q2:
which of the following materials have imbalanced electrons that are shared with neighboring atoms? -
ANSWER (B)
semiconductors
Q3:
which of the following components has a resistance that decreases with the increase of voltage -
ANSWER (C)
VDR
, Q4:
how can a voltage of 300 megavolts also be written? - ANSWER (B)
3 and 8 zeros (300000000)
Q5:
which of the following is the definition of Extra-low voltage? - ANSWER (D)
A voltage exceeding 50 volts but not above 1000
Q6:
what is the unit of battery capacity? - ANSWER (D)
amper R
Q7:
A Lead Acid cell is a form of? - ANSWER (C)
secondary cell
Q8:
copper is a very common material used in conductors.
but which material has a better lower value of resistance then copper? - ANSWER (D)
silver
Q9:
what is the RMS value of a waveform that has a pic of 325 - ANSWER (B)
230 volts
Q10:
500-meter cable with an insulation resistance of 500 MEG.
what would the insulation resistance of the cable be, if it were shortened to 250 meters. - ANSWER (D)
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