by Sunday | Sep 1 | Physics WAEC
i. viscosity opposes the gravitational force on the ball. ii. viscosity opposes the upthrust on the ball. iii. viscosity is in the same direction as the upthrust on the ball. iv. as the ball falls faster the more viscous the liquid is A. i and iii only B. i and ii...
by Sunday | Sep 1 | Physics WAEC
A. Nm B. N C. Nm−² D. Nm² E. Nm¹ Correct Answer: Option C – Nm−²
by Sunday | Sep 1 | Physics WAEC
A. rectify an alternating current B. produce a large input voltage C. smoothen a pulsating direct current D. modulate an incoming signal E. produce a large output voltage Correct Answer: Option E – produce a large output...
by Sunday | Sep 1 | Physics WAEC
A. into the paper B. out of the paper C. towards the north pole of the magnet D. towards the south pole of the magnet E. towards the top of the pages Correct Answer: Option B – out of the paper
by Sunday | Sep 1 | Physics WAEC
A house is supplied with a 240V a.c mains. To operate a door bell rated at 8v, a transformer is used if the number of turns in the primary coil of the transformer is 900. Calculate the number of turns in the secondary coil of the transformer A. 30 B. 240 C. 248 D. 450...
by Sunday | Sep 1 | Physics WAEC
A. L1 becomes brighter and L2 becomes dimmer B. L1 becomes brighter and L2 does not change C. L2 becomes dimmer and L1 does not change D. L1 becomes dimmer and L2 does not change E. L1 and L2 becomes brighter Correct Answer: Option A – L1 becomes brighter and L2...