The Sun rotales with a period of 24• 7 days and has a radius of 7x18m. For a terestrial observer, calculate the resultant doppler Shift of the wavelength 500 nm which is emitted from the solar equator at; , 1. Each side of the disc. 11. The centre of the solar disc

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell