Fill the crossword

123456
Across
  1. 3. Converts ac to dc.
  2. 6. Device that converts non-electrical signal to electrical signal
Down
  1. 1. Converts dc to ac.
  2. 2. Signal in the form of 0 & 1.
  3. 4. Rate of flow of charge.
  4. 5. Rate of doing electrical work.