(a) Show that the total rms voltage across the parallel combination of a resistance R and a capacitance C is E n 5 kTyC regardless of R. Can you justify the independence of R? (b) What capacitance C...

(a) Show that the total rms voltage across the parallel combination of a resistance R and a capacitance C is E n 5 kTyC regardless of R. Can you justify the independence of R? (b) What capacitance C is required for En 5 1 V rms? What resistance R is required so that NEBwhite 5 100 kHz?