DEA shell type transformer

The shell type transformer is designed for what type of voltage range?

• a) Low voltage range

• b) Medium voltage range

• c) High voltage range

• d) None of the above

In a shell type transformer, the winding is placed on the _________.

• a) Core

• b) Bobbin

• c) Shell

• d) None of the above

Which of the following is true about shell type transformer?

• a) They are less expensive than core type transformer

• b) They are more efficient than core type transformer

• c) They can handle higher voltages than core type transformer

• d) They have higher leakage inductance than core type transformer

The shell type transformer is preferred over the core type transformer when the voltage is ____________.

• a) High

• b) Low

• c) Both a and b

• d) None of the above

The main advantage of a shell type transformer is its ____________.

• a) Low leakage inductance

• b) High efficiency

• c) Low cost

• d) All of the above

The shell type transformer is used in ____________.

• a) Power transformers

• b) Audio transformers

• c) Both a and b

• d) None of the above

Which of the following is not a type of shell type transformer?

• a) Double shell

• b) Single shell

• c) Triple shell

• d) None of the above

What is the formula used to calculate the total flux in a shell type transformer?

• A. Φ = B × A × N

• B. Φ = B × N

• C. Φ = B × A

• D. Φ = B / A × N

What is the formula used to calculate the number of turns in the primary winding of a shell type transformer?

• A. N1 = N2 × (V2 / V1)

• B. N1 = N2 × (I2 / I1)

• C. N1 = Φ / (B × A)

• D. N1 = P1 / (I1^2 × R1)

What is the formula used to calculate the efficiency of a shell type transformer?

• A. Efficiency = (output power / input power) × 100%

• B. Efficiency = (input power / output power) × 100%

• C. Efficiency = (output voltage / input voltage) × 100%

• D. Efficiency = (input voltage / output voltage) × 100%