Question

Сила тока в первичной обмотке трансформатора 2 А, напряжение на ее концах 220 В. Напряжение на концах вторичной обмотки 40 В. Определите силу тока во вторичной обмотке. Потерями в трансформаторе пренебречь.

Answer 1

I = U / R 

U - напряжение ( 40 В ) 
R - сопротивление 

R = U / I = 220 / 2 = 110 Ом 

I = 40 / 110 = 0,36 А 

Answer 2

U(1)/I(1)=U(2)/I(2)

I(2)=I(1)*U(2)/U(1)=2*40/220=0.36 A

Answer 3

Calculation of Current in the Secondary Coil

To determine the current in the secondary coil of a transformer, we can use the formula:

I2 = (N1/N2) * (I1 * V1/V2)

Where: - I2 is the current in the secondary coil - N1 is the number of turns in the primary coil - N2 is the number of turns in the secondary coil - I1 is the current in the primary coil - V1 is the voltage across the primary coil - V2 is the voltage across the secondary coil

Given the following values: - I1 = 2 A (current in the primary coil) - V1 = 220 V (voltage across the primary coil) - V2 = 40 V (voltage across the secondary coil)

We need to determine the ratio of the number of turns in the primary and secondary coils (N1/N2) to calculate the current in the secondary coil.

Unfortunately, the search results did not provide the necessary information to determine the number of turns in the primary and secondary coils. Without this information, we cannot calculate the current in the secondary coil.

If you have the number of turns in the primary and secondary coils, please provide them, and I will be able to calculate the current in the secondary coil for you.