In a uniform electric field, the magnitude of the force on a charge of 0.2 C is 4N. Calculate the electric field intensity?
A. 20 N C¯¹ B. 8 N C¯¹ C. 5 N C¯¹ D. 2 N C¯¹ Correct Answer: Option A – 20 N C¯¹The voltage and current in the primary of a transformer are 200V and 2A respectively. lf the transformer is used to light ten 12 V, 30 W bulbs, calculate its efficiency.
A. 100% B. 90% C. 75% D. 50% Correct Answer: Option C – 75%
Magnetic flux density is defined as the?
A. total number of magnetic lines of force surrounding a magnet B. number of magnetic lines of force per unit area normal to the magnetic field C. strength of the magnetic field surrounding a current-carrying conductor D. magnetic force exerted on a unit magnetic pole...
A resistance wire of length 2 m and of uniform cross-sectional area 5.0 x 10^-7 m² has a resistance of 2.2 Ω. Calculate its resistivity.
A. 1.8 x 10^-7Ωm B. 5.5 x 10^-7Ωm C. 1.8 x 10^-7Ωm D. 5.8 x 10^7Ωm Correct Answer: Option B – 5.5 x 10^-7ΩmThe parts of a bar magnet at which the magnetic effect is strongest are called the?
A. poles B. neutral points C. magnetic declinations D. magnetic meridians Correct Answer: Option A – polesProducts
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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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