Which of the following statements is an effect of compressing gas molecules at constant temperature?
The diagram above is an illustration of an a.c. circuit.Calculate the reactance of the capacitor.
A current of 2A passes through a wire of resistance 4Ω for 3 minutes. Calculate the energy lost.
Which of the following statements about the universal gravitational constant, G, is true?
The sketched graph represents a progressive wave moving from the left to the right. The period the wave is 0.125s.
Determine the values of the amplitude and wavelength, respectively, of the wave.
