1.

The_maximum_electron_current_per_unit_area_provided_by_an_emitter_is_given_by_(where_J=current_density,_T=absolute_temperature_in_K,_ɸ=work_function_in_keV,_k=Boltzmann’s_constant_&_A=emission_constant)$#

A. J= AT exp(-…∏/kT)
B. J= AT (-…∏/kT)
C. J= AT2 exp(-…∏/kT)
D. J= exp(-A…∏/kT2)
Answer» D. J= exp(-A‚Äö√Ѭ∂‚Äö√†√®/kT2)


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