A transformer is used to change a high alternating e.m.f. to a low alternating e.m.f. of the same frequency.
(a) Identify the type of transformer used for the above purpose.
(b) State whether the turns ratio of the above transformer is = 1 or > 1 or < 1.

Question

A transformer is used to change a high alternating e.m.f. to a low alternating e.m.f. of the same frequency.
(a) Identify the type of transformer used for the above purpose.
(b) State whether the turns ratio of the above transformer is = 1 or > 1 or < 1.

KnowledgeBoat · Accepted Answer

(a) Step down transformer since it is used to change a high alternating voltage to a low alternating voltage. (b) Turns ratio is n 1 , i.e., number of turns in the secondary are less than the number of turns in the primary.

Physics

A transformer is used to change a high alternating e.m.f. to a low alternating e.m.f. of the same frequency.
(a) Identify the type of transformer used for the above purpose.
(b) State whether the turns ratio of the above transformer is = 1 or > 1 or < 1.

Electro-Magnetism

Answer

Related Questions

(a) Refer to the diagram given below. A lens with two different refractive indices is shown. If the rays are coming from a distant object, then how many images will be seen?
(b) A glass lens always forms a virtual, erect and diminished image of an object kept in front of it. Identify the lens.

If live wire makes an accidental contact with the metal case, which circuit (A or B) in the diagram, illustrating an electric iron, is considered safe for the user (Assuming the fuse is present in the live wire in both circuits)? Justify your answer.

A solid of mass 60 g at 100°C is placed in 150 g of water at 20°C. The final steady temperature is 25°C. Calculate the heat capacity of solid.
[Specific heat capacity of water = 4.2 Jg⁻¹K⁻¹]

(a) Name the principle of AC generator.
(b) State its one use.

Physics

A transformer is used to change a high alternating e.m.f. to a low alternating e.m.f. of the same frequency.(a) Identify the type of transformer used for the above purpose.(b) State whether the turns ratio of the above transformer is = 1 or > 1 or < 1.

Electro-Magnetism

Answer

Related Questions

(a) Refer to the diagram given below. A lens with two different refractive indices is shown. If the rays are coming from a distant object, then how many images will be seen?(b) A glass lens always forms a virtual, erect and diminished image of an object kept in front of it. Identify the lens.

If live wire makes an accidental contact with the metal case, which circuit (A or B) in the diagram, illustrating an electric iron, is considered safe for the user (Assuming the fuse is present in the live wire in both circuits)? Justify your answer.

A solid of mass 60 g at 100°C is placed in 150 g of water at 20°C. The final steady temperature is 25°C. Calculate the heat capacity of solid.[Specific heat capacity of water = 4.2 Jg⁻¹K⁻¹]

(a) Name the principle of AC generator.(b) State its one use.

A transformer is used to change a high alternating e.m.f. to a low alternating e.m.f. of the same frequency.
(a) Identify the type of transformer used for the above purpose.
(b) State whether the turns ratio of the above transformer is = 1 or > 1 or < 1.

(a) Refer to the diagram given below. A lens with two different refractive indices is shown. If the rays are coming from a distant object, then how many images will be seen?
(b) A glass lens always forms a virtual, erect and diminished image of an object kept in front of it. Identify the lens.

A solid of mass 60 g at 100°C is placed in 150 g of water at 20°C. The final steady temperature is 25°C. Calculate the heat capacity of solid.
[Specific heat capacity of water = 4.2 Jg⁻¹K⁻¹]

(a) Name the principle of AC generator.
(b) State its one use.