Question 1 Report
Which of the following is most suitable for protecting the circuit of 2000W electric iron connected to a 250V mains?
Answer Details
P = IV ⇒ ⇒ I = 2000250 2000 250
= 8A
What precaution should a manufacturer take to ensure that energy loss in a transformer is minimized?
Electrical power is transmitted at a high voltage rather than low voltage because the amount of energy loss is reduced due to
A force of 5N act at a point Y on a rod XYZ as shown in the diagram above, if XY is 2m. What is the moment of the force about point X?
A substance has a half of 3mins. after 6mins. the count rate was observed to be 400. What was its count rate at zero time?
What is the average velocity of the sprinter whose velocity time graph is as shown above
Two horizontal forces, 10N and 8N and another force F1 inclined at 30 to the vertical acting as shown in the diagram above, keep the body P in equilibrium, T...
The photocell works on the principle of the
What is the reading of the vernier scale above?
Everything you need to excel in JAMB, WAEC & NECO