by Sunday | Jan 11 | Physics JAMB
A. the magnet is moved towards the stationary solenoid B. there is no relative motion C. the magnet is moved away from the stationary solenoid D. the solenoid is moved away from the stationary magnet Correct Answer: Option B – the magnet is moved away from the...
by Sunday | Jan 11 | Physics JAMB
A. 15 cm B. 70 cm C. 40 cm D. 40 cm Correct Answer: Option A – 15 cm
by Sunday | Jan 11 | Physics JAMB
A. two new magnets are created B. the magnetic field of each separate piece becomes stronger C. the electric field is created D. the bar magnet is demagnetized Correct Answer: Option A – two new magnets are created Explanation When it is cut into two, the two...
by Sunday | Jan 11 | Physics JAMB
A. Kilogram B. Metre C. Newton D. Second Correct Answer: Option C – Newton Explanation Examples of Fundamental Quantities ; Mass, kilogram, kg ; Electric Current, ampere, A ; Temperature, kelvin, K ; Amount of Substance, mole,...
by Sunday | Mar 31 | Physics JAMB
A. 4 B. 3 C. 2 D. 1 Correct Answer: Option B = 3 Explanation f0 = 40Hz 1st overtone = 2f0 = 80Hz 2nd overtone = 3f0 = 120Hz 3rd overtone = 4f0 = 160Hz 4th overtone = 5f0 = 200Hz ∴ Number of overtones between 40Hz and 180Hz =...
by Sunday | Mar 31 | Physics JAMB
I. A liquid boils when its saturated vapor pressure is equal to the external pressure II. Dissolved substances in pure water lead to an increase in the boiling point. III. When the external pressure is increased, the boiling point increases. IV. Dissolved substances...