QUESTION 1: MULTIPLE-CHOICE QUESTIONS
Various options are provided as possible answers to the following questions - NSC Electrical Technology Electronics - Question 1 - 2024 - Paper 1
Question 1
QUESTION 1: MULTIPLE-CHOICE QUESTIONS
Various options are provided as possible answers to the following questions. Choose the answer and write only the letter (A–D)... show full transcript
Worked Solution & Example Answer:QUESTION 1: MULTIPLE-CHOICE QUESTIONS
Various options are provided as possible answers to the following questions - NSC Electrical Technology Electronics - Question 1 - 2024 - Paper 1
Step 1
A burn must be treated by …
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Answer
The best option for treating a burn is to run cold water over the burnt area until the pain reduces. This helps cool the burn and can prevent further damage.
Step 2
The power in an inductor is …
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Answer
In inductors, the power is considered as active power, which represents the actual power consumed.
Step 3
A parallel RLC circuit is more capacitive when …
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Answer
A parallel RLC circuit is more capacitive when the capacitive reactance (Xc) is greater than the inductive reactance (XL), i.e., Xc > XL.
Step 4
An increase in resistance of a parallel resonant circuit will cause the total current to …
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Answer
An increase in resistance of a parallel resonant circuit will cause the total current to decrease, as higher resistance limits the flow of current.
Step 5
A UJT will go into a permanent ON state when it reaches the … region.
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Answer
A UJT will enter a permanent ON state when it reaches the saturation region.
Step 6
The characteristics of a Darlington transistor amplifier are …
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Answer
The characteristics of a Darlington transistor amplifier include higher input impedance and higher current gain compared to standard amplifiers.
Step 7
The 555 IC functions as a … in an astable mode of operation.
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Answer
In astable mode, the 555 IC functions as a free-running oscillator, generating a continuous square wave output.
Step 8
The main characteristics of operational amplifiers are …
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Answer
Operational amplifiers are characterized by very high output impedance, low input impedance, high voltage gain, and wide bandwidth.
