Q. In induction hardening (Solved)
1. Only d.c. supply is used
2. The power factor is high
3. The voltage is high
4. The frequency is high
5. The current is high
- d. The frequency is high
1. Only d.c. supply is used
2. The power factor is high
3. The voltage is high
4. The frequency is high
5. The current is high