Which of the following best demonstrates potential energy? rolling ball, a moving car, running boy or sleeping cat?

Q13. An electric bulb draws a current of 0.8A and works on 250V on the average 8 hours a day, if energy costs Rs 3 per kWh. Calculate monthly bill for 30 days.

How many types of bonding were known prior to this article

The capacity of a storage battery, such as those used in automobile electrical systems, is rated in ampere-hours (A⋅h). A 50 A⋅h battery can supply a current of 50 A for 1.0 h, or 25 A for 2.0 h, and so on.

Which of the following pieces of technology expand the sense of sight

An element can be identified by its spectrum. True False

In 1991 four English teenagers built an eletric car that could attain a speed of 30.0m/s. Suppose it takes 8.0s for this car to accelerate from 18.0m/s to 30.0m/s. What is the magnitude of the car's acceleration?

What must you do if you plan to exercise everyday

Determine the speed of sound in air at 700 K. Also determine the Mach number of an aircraft moving in the air at a velocity of 340 m/s. The gas constant of air is R = 0.287 kJ/kg·K. Its specific heat ratio at room temperature is k = 1.4.

If the emf of the battery is 12 v and each resistance is 4 ω, what power is consumed by bulb b?

If you want to conduct an electrical current, which situation would produce a solution capable of this? A) Dissolving water in oil. B) Dissolving sugar in water. C) Dissolving solid NaBr in oil. D) Dissolving solid NaF in water.