by Sunday | Jan 11 | Physics JAMB
A. reading the magnitude of magnetic flux B. controlling another circuit carrying a larger current C. turning in sports D. storing magnetic field Correct Answer: Option B – controlling another circuit carrying a larger current Explanation Relays are electrically...
by Sunday | Jan 11 | Physics JAMB
A. the voltage can withstand increase B. the capacitance decreases C. the capacitance is unaffected D. the capacitance increases Correct Answer: Option D = the capacitance increases Explanation Therefore, as the area of the plates increase, capacitance...
by Sunday | Jan 11 | Physics JAMB
A. diffraction B. refraction C. reflection D. interference Correct Answer: Option B – refraction Explanation The refractive index of water is greater than that of air. So, A person legs appear to be short while standing in the tank due to...
by Sunday | Jan 11 | Physics JAMB
A. 312.0 ms−1 B. 110.0 ms−1 C. 343.2 ms−1 D. 686.4 ms−1 Correct Answer: Option C = 343.2 ms−1 Explanation v = f λ to calculate the wave’s velocity. v = 312 x 1.10 = 343.2m/s
by Sunday | Jan 11 | Physics JAMB
A. blue, green, and violet B. yellow, green, and magenta C. magenta, yellow, and cyan D. red, green, and blue Correct Answer: Option C – magenta, yellow, and cyan Explanation The primary colors of pigment are red, blue, and green. Mixing these primary colors of...
by Sunday | Jan 11 | Physics JAMB
A. 3 days B. 2 days C. 1 day D. 4 days Correct Answer: Option A = 3 days