Q. Which of the following search units would contain the thinnest quartz crystal? (Solved)
1. A 1 MHz search unit
2. A 5 MHz search unit
3. A 15 MHz search unit
4. A 25 MHz search unit
- d. A 25 MHz search unit
1. A 1 MHz search unit
2. A 5 MHz search unit
3. A 15 MHz search unit
4. A 25 MHz search unit