The current in a small torch bulb is 0.2A. What is the total electric charge which passes a point in the circuit in 12 minutes?

Since the energy was not raising the temperature of the water during these segments, what was the energy used to do instead? your answer must include an explanation of what is happening to the molecules.

Which property is expressed in distance units? o a. period o b. wavelength o c. speed o d. frequency

Why should the wavelength scale of spectroscope be calibrated