In amplitude modulation, the magnitude of carrier wave is varied in accordance with the amplitude and frequency of the

112) Which of the following process is used primarily to obtain surface finish

113) Two vessels contain milk and water in the ratio 3:1 and 5:3 respectively. In what ratio these are to be mixed to prepare a third mixture containing milk and water in the ratio 2:1 ?

114) As per Boolean Algebra, inputs can be changed in

115) In a conductor, the flow of current is