by Sunday | Oct 1 | NABTEB QUESTIONS
1. Do not scatter the screws after dismantling the T. V keep them well 2. Carefully observe the symptoms and analyze the people’s causes before commencing repair. 3. Avoid taking an unnecessary risk, make sure you wear safety shoes to avoid electric shock. 4....
by Sunday | Oct 1 | NABTEB QUESTIONS
(1) Higher fidelity i. e. more linear operation. (2) Increased band with i. e. improved frequency response. (3) Highly stabilized gain. (4) Less frequency distortion. (5) Less amplitude distortion. (6) Less phase distortion. (7) Reduced noise. (8) It increases input...
by Sunday | Oct 1 | NABTEB QUESTIONS
(i) Negative Feedback: Is when the voltage feedback is in opposite phase (ant phase) to the signal. In other words: if the voltage is so applied as to reduce the amplifier input (i. e. it is 180° out of phase with it), then it is called negative feedback. (ii)...
by Sunday | Oct 1 | NABTEB QUESTIONS
(i) Modulation: Modulation is the process of combining the low-frequency signal with a very high-frequency radio wave called carrier wave (CW). The resulting wave is called a modulated carrier wave. This job is done at the transmitting station. (ii) Demodulation: It...
by Sunday | Oct 1 | NABTEB QUESTIONS
1. It is the ability to provide any desired selectivity characteristics. 2. It has the ability to provide large amounts of amplification without oscillation. 3. Its sensitivity and selectivity remain almost constant as the receiver is tuned cover a band of...
by Sunday | Oct 1 | NABTEB QUESTIONS
(i) A stable multivibrator (ii) Bi-stable multivibrator (iii) Micro-stable multivibrator.
Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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