Choose the correct example of an unsafe condition that is likely to cause damage to property or an injury:
A
Running in the workshop
B
Spilling liquid or oil without cleaning it up
C
Faulty tools or equipment
D
Overloading electrical outlets when connecting many appliances
An RLC series circuit is predominantly inductive …
A
Xc > XL
B
XL > Xc
C
XL = Xc
D
VC > VL
The phase angle of a predominantly capacitive RLC series circuit is …
A
leading - NSC Electrical Technology Electronics - Question 1 - 2021 - Paper 1
Question 1
Choose the correct example of an unsafe condition that is likely to cause damage to property or an injury:
A
Running in the workshop
B
Spilling liquid or oil witho... show full transcript
Worked Solution & Example Answer:Choose the correct example of an unsafe condition that is likely to cause damage to property or an injury:
A
Running in the workshop
B
Spilling liquid or oil without cleaning it up
C
Faulty tools or equipment
D
Overloading electrical outlets when connecting many appliances
An RLC series circuit is predominantly inductive …
A
Xc > XL
B
XL > Xc
C
XL = Xc
D
VC > VL
The phase angle of a predominantly capacitive RLC series circuit is …
A
leading - NSC Electrical Technology Electronics - Question 1 - 2021 - Paper 1
Step 1
Choose the correct example of an unsafe condition that is likely to cause damage to property or an injury:
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Answer
B. Spilling liquid or oil without cleaning it up
Step 2
An RLC series circuit is predominantly inductive …
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Answer
A. Xc > XL
Step 3
The phase angle of a predominantly capacitive RLC series circuit is …
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Answer
A. leading.
Step 4
The … of a resonant circuit is the measure of how well it responds to a range of frequencies.
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Answer
C. resonant frequency
Step 5
A bipolar junction transistor (BJT) is regarded as an … device.
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Answer
A. voltage-controlled
Step 6
The advantage of a field-effect transistor over a bipolar junction transistor is that it has an …
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Answer
A. extremely high input resistance.
Step 7
The N-channel JFET will operate correctly when the …
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Answer
B. gate-to-source pn-junction is reverse biased.
Step 8
An astable multivibrator generates …
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Answer
B. a continuous train of pulses without the need of a trigger pulse to be applied.
Step 9
When applying a triangular waveform to the input of a differentiator, the output will be …
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Answer
B. an inverted triangular waveform.
Step 10
When the input voltage to a non-inverting Schmitt trigger is smaller than the reference voltage, the output is driven into …
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Answer
B. negative saturation.
Step 11
When a square wave is applied to the input of an op-amp integrator circuit, the output will be a …
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Answer
C. triangular waveform.
Step 12
Choose the correct biasing method for a transistor amplifier:
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Answer
B. forward biased and the collector-base junction is reverse biased.
