I only
I and II only
II and III only
I, II and III
Correct answer is C
Capacitors pass AC but block DC signals (when charged up to the applied DC voltage), they are often used to separate the AC and DC components of a signal. Capacitors are also primarily used to store energy.
live, neutral and earth
neutral, earth and live
earth, live and neutral
earth, neutral and live
Correct answer is B
No explanation has been provided for this answer.
Which of the following statements is not an advantage of an alkaline accumulator?
The electrolyte does not need attention
It can be recharged
It has low internal resistance
It has a much longer life than lead-acid accumulator
Correct answer is A
No explanation has been provided for this answer.
A resistor with fixed resistance value is called a
resistance box
standard resistor
shunt resistor
multiplier resistor
Correct answer is B
No explanation has been provided for this answer.
The diagram above illustrates a waveform. Determine the number of wavelengths in it
4
3\(\frac{1}{2}\)
2\(\frac{1}{2}\)
2
Correct answer is C
No explanation has been provided for this answer.
WAEC Subjects
Aptitude Tests