Delta Connection

Q. long wire carrying a current i is bent to form a plane angle θ . If the magnetic field B at a point on the bisector of this angle situated at a dis†an ce x from the vertex is written in the form of K\lbrack cot(θ/4)\rbrack Tesla. Then, find the value of K.

Q. The method of connection that is used in a distribution transformer is star connection.

1. True
2. False

Q. Which of the following are correct w.r.t. delta connection?

1. Used in large and small scale industries.
2. There is no neutral in delta connection.
3. Four wires are required in delta connection.
4. It is used in transmission to distant places.

Q.

Which of the following is not correct w.r.t. delta connection?

1. Needed in almost all motors

2. There is no neutral

3. Used in transmission to distant places

4. Four wires are required