by Sunday | Nov 15 | Physics JAMB
A. low resistance wires B. insulated soft iron wires C. few turns of wires D. high resistance wires Correct Answer: Option B – insulated soft iron wires
by Sunday | Nov 15 | Physics JAMB
A. switch and amplifier B. rectifier and an amplifier C. charge storer and an amplifier D. charge storer and a switch Correct Answer: Option A – switch and amplifier
by Sunday | Nov 15 | Physics JAMB
A. conductor makes an angle of 60° with the field B. force is independent of the angles between the fields and the conductor C. conductor is parallel with the field D. conductor is at a right angle with the field Correct Answer: Option D = conductor is at a right...
by Sunday | Nov 15 | Physics JAMB
A. 90° B. 60° C. 0° D. 180° Correct Answer: Option C – 60° Explanation At resonance in an a.c. circuit, during which the capacitive reactance Xc is equal to the inductive reactance Xl, the phase angle Ø =...
by Sunday | Nov 15 | Physics JAMB
A. nuclear fission B. nuclear fusion C. electron collision D. radioactive decay Correct Answer: Option B – nuclear fusion Explanation The process of energy production in the sun is generally by nuclear fusion of hydrogen nuclei, the reaction of which takes place...