1.1 A burn must be treated by …
A covering the burnt area with butter - NSC Electrical Technology Electronics - Question 1 - 2024 - Paper 1
Question 1
1.1 A burn must be treated by …
A covering the burnt area with butter.
B putting ice on the burn wound.
C puncturing the blisters.
D running cold water over the bur... show full transcript
Worked Solution & Example Answer:1.1 A burn must be treated by …
A covering the burnt area with butter - NSC Electrical Technology Electronics - Question 1 - 2024 - Paper 1
Step 1
A burn must be treated by …
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Answer
The correct answer is D: running cold water over the burnt area until the pain reduces. This method helps in cooling the burn and reducing pain.
Step 2
The power in an inductor is …
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Answer
The correct answer is D: true power. In inductors, true power reflects the actual power consumed.
Step 3
A parallel RLC circuit is more capacitive when …
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Answer
The correct answer is A: XC>XL. This indicates that the capacitive reactance is greater than the inductive reactance.
Step 4
An increase in resistance of a parallel resonant circuit will cause the total current to …
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Answer
The correct answer is B: decrease. Increasing resistance in a parallel circuit decreases total current due to Ohm's Law.
Step 5
A UJT will go into a permanent ON state when it reaches the … region.
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Answer
The correct answer is C: valley. The valley region is where the UJT transitions into a conducting state.
Step 6
The characteristics of a Darlington transistor amplifier are …
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Answer
The correct answer is B: higher input impedance and lower current gain. This is due to the cascading configuration of two transistors.
Step 7
The 555 IC functions as a … in an astable mode of operation.
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Answer
The correct answer is C: free-running oscillator. In this mode, the 555 timer generates a continuous square wave output.
Step 8
The main characteristics of operational amplifiers are …
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Answer
The correct answer is A: very high output impedance, low input impedance, high voltage gain and wide bandwidth. These attributes make op-amps highly versatile for various applications.
