A 10 V battery delivers a steady current of 2 A. How long will it be before 1.0 kJ of energy is supplied to the circuit?

A current of 2 mA is flowing through a wire. How long will it take for 6 coulombs of charge to pass?

Which one of the following statements about constructive interference is NOT true?

What would be the best materials to use for making the coil and the core of an electromagnet?

Which one of the following is NOT a magnetic material?

A ripple travels over the surface of some water. Its wavelength is 2 m, its amplitude is 0.1 m and its frequency is 0.5 Hz.The speed of the ripple is:

The specific heat capacity of a particular liquid is 3000 J kg^-1 K^-1. A large beaker containing 2 kg of the liquid has to be warmed from 25 ℃ to 35 ℃. A 100 W heater is used. If all the thermal energy could be transferred to the liquid, how long would it take?

A certain nucleus has 12 protons and 16 neutrons.Which one of the following statements about the nucleus is NOT true?

Which one of the following statements about ∝ particles is NOT true?