Two identical waves traveling in the same direction are superimposed. What should be the phase difference between the waves for maximum destructive interference to occur?
A. 20° B. 45° C. 180° D. 225° E. 270° Correct Answer: Option C – 180°
In a photocell, light energy is converted to?
A. Electrical energy B. Chemical energy C. Heat energy D. Mechanical energy E. Kinetic energy Correct Answer: Option A – Electrical energyWhat is the current in the secondary coil?
The current in the primary coil of a transformer is 2.5A. If the coil has 50 turns and the secondary 250 turns, What is the current in the secondary coil? Neglect energy losses in the transformer A. 0.2A B. 0.5A C. 2.5A D. 5A E. 12.5A Correct Answer: Option B –...
The relationship between the directions of magnetic field, the current-carrying wire in the field is easily remembered using
A. Octet rule B. Right-hand grip rule C. Maxwell’s screw rule D. Ampere’s swimming rule E. Fleming’s left-hand rule Correct Answer: Option E – Fleming’s left-hand rule
Lenz’s law of electromagnetic induction is essentially a statement of the?
A. Inverse square law of gravitation B. Inverse square law of magnetism C. Inverse square law of electrostatics D. Law of conservation of momentum E. Law of conservation of energy Correct Answer: Option E – Law of conservation of...Products
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Land Law and the Consequences of Unauthorized Land Transfers in Nigeria
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Co-Ownership Structures and Land Acquisition Methods in Nigeria
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Rights in Community Land and Fundamental Land Concepts in Nigeria
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Customary Land Control and the Origins of Nigeria's Land Use Act
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Land Ownership Principles and Transaction Laws in Nigeria
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