0 votes 0 votes If a signal $f(t)$ has energy $E$, the energy of the signal $f(2 t)$ is equal to $\text{E}$ $\frac{\mathrm{E}}{2}$ $2 \mathrm{E}$ $4 \mathrm{E}$ Others gate2001-ec + – admin asked Sep 29, 2022 • edited Nov 30, 2023 by makhdoom ghaya admin 46.4k points 44 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.