What is different between resistance grounding system and resistance earthing system?

1175

---

Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?

1168

---

How to determine alternating current frequency?

1176

---

Which type of motor is used in trains, what is the rating of supply used explain working principal?

1309

---

What is inrush current?

1203

---

In a tap changing transformer where is the tap connected, is it connected in the primary side or secondary side?

1159

---

Define what is difference between fuse and breaker?

1213

---

Capacitor is load free component but why ampere meter shows current when capacitor bank breaker close?

1226

---

What’s electric traction?

1164

---

What is “pu” in ee?

1104

---

Define stepper motor. What is the use of stepper motor?

1254

---

What is a differential amplifier? Also, explain cmrr.

1363

---

What types domain of laplace transforms? What behavior can laplace transform predict how the system work?

1169

---

In the magnetic fluxes, what is the role of armature reaction?

1186

---

Explain thin film resistors and wire-wound resistors

1046

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