# Recent questions tagged three

List three important characteristics of an electric circuit.

Define balanced and unbalanced load in three phase circuit.

State any four applications of three phase circuits.

Draw the waveform of three phase AC supply voltage.

State any four advantages of three phase over single phase.

Write short notes on 3 phase AC system.

The slip of 400 V, three phase, 4 -pole induction motor when rotating at 1440 rpm is

Consider a circuit with three parallel branches connected across a DC supply. What is the ratio of the branch currents I1 : I2 : I3 if the branch resistances are in the ratio of 2 : 3 : 4 respectively? A) 2 : 3 : 4 B) 6 : 4 : 3 C) 4 : 3 : 2 D) None of these

When three resistors with unequal values are connected in parallel, _______ A) The current across the resistors is the same  B) The voltage drop across the resistors is the same C) The voltage drops across the resistors is proportional to the resistance of each resistor D) None of these

When a V-V three phase transformer system is converted into a Δ-Δ system, increase in capacity of the system is (A) 86.6% (B) 50% (C) 57.7% (D) 73.2%

In a three-phase supply floating neutral is undesirable because it way give rise to?

Three phase synchronous motor will have how many sliprings?

How is a three phase cage induction motor self starting?

What are three ways you can increase the strength of an electromagnet?

Explain power relations in three phase circuit.

Explain three phase half wave controller or three phase unidirectional controller.

Explain Three Phase Bidirectional Delta Connected Controller.

What is mean by plugging in three phase induction motor?

Explain three phase bridge inverter.

Explain three phase full wave controller.

What is a three phase connection?