Fill in the blank spaces with appropirate answers:
A photon travels with the speed equal to speed of _______ in vaccum.

Fill in the blanks spaces with appropriate answers. Unlike currents……….

Fill in the blanks spaces with appropriate answers. ………..currents attract.

Fill in the blanks spaces with appropriate answers. Amperer is defined from……….

Fill in the blank spaces with appropriate answers : MKS unit of conductivity is………… .

Fill in the blank spaces with appropriate answers: A plane mirror moves with a speed 'v' parallel to itself. The image moves with a speed__________.

Fill in the blank spaces with appropriate answers : M.K.S. unit of resistivity is……….. .

Fill in the blank spaces with appropriate answers: mu = A + B/lambda^2 is the ________ equation.

Fill in the blank spaces with appropriate answers : The ratio of Absolute Ampere to Ampere is……….

Fill in the blank spaces with appropriate answer: An isolated magnetic pole ____ exists.

Fill in the blank spaces with appropriate answers: An electric line of force is the locus of the __________ charge.