002300 PAPER
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Engineering
12th Grade
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68 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What does RMS stand for in AC circuits?
Real Mean Signal
Root Mean Square
Relative Mean Standard
Resistance Measurement Scale
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for frequency in terms of periodic time?
f = T
f = 2T
f = 1/T
f = T/2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the unit of frequency?
Volt
Ampere
Hertz
Ohm
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the peak value of a 230V (rms) AC voltage?
115V
325V
230V
460V
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which instrument is used to display an AC signal waveform?
Voltmeter
Ammeter
Oscilloscope
Ohmmeter
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for capacitive reactance XC?
XC = 2πfC
XC = 1/2πfC
XC = f/C
XC = C/f
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a capacitive circuit, current leads voltage by:
0°
45°
90°
180°
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