Physics Which of the following is not a part of a CRT ? Electron gun Phosphor screen Shadow mask Gas plasma Electron gun Phosphor screen Shadow mask Gas plasma ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its life enable it to withstand higher voltages increase its electrical conductivity increase its electrical resistivity increase its life enable it to withstand higher voltages increase its electrical conductivity increase its electrical resistivity ANSWER DOWNLOAD EXAMIANS APP
Physics Who gave black hole theory? None of these Isaac Newton Stephen Hawking Albert Einstein None of these Isaac Newton Stephen Hawking Albert Einstein ANSWER DOWNLOAD EXAMIANS APP
Physics A bird sitting on a high tension electric wire does not get electrocuted because It has high resistance Its feet are good insulators The body is earthed It does not form a closed path for the flow of current It has high resistance Its feet are good insulators The body is earthed It does not form a closed path for the flow of current ANSWER DOWNLOAD EXAMIANS APP
Physics The sudden fall of atmospheric pressure indicates Fair weather Cold weather Rain Storm Fair weather Cold weather Rain Storm ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Increase Will increase first and then dcrease Dacrease Remain constant Increase Will increase first and then dcrease Dacrease Remain constant ANSWER DOWNLOAD EXAMIANS APP