I'm marginally familiar with the way that an AC transformer works. After viewing this question:

Why don't all motors burn up instantly?

It got me thinking about the same thing with AC transformers.

The primary coil should provide very little resistance and thus allow a lot of current to flow. I'm guessing that the resistance comes from the fluctuating magnetic field. Is this correct? If so, I'm assuming that the current increases when a load is placed on the secondary coil because the magnetic field doesn't collapse into the primary coil but is used by the secondary coil instead?

Also, does this mean that if a DC current was placed on a transformer that it would cause trouble? (i.e. very high current)

I'm sure I'm not saying this correctly, so I'm hoping someone can set me straight.

To sum up my question, what is the behavior of a transformer's primary coil (in terms of current flow) when no load is placed on the secondary coil, and what changes when a load is placed on the secondary coil?

I'm marginally familiar with the way that an AC transformer works. After viewing this question:

Why don't all motors burn up instantly?

It got me thinking about the same thing with AC transformers.

The primary coil should provide very little resistance and thus allow a lot of current to flow. I'm guessing that the resistance comes from the fluctuating magnetic field. Is this correct? If so, I'm assuming that the current increases when a load is placed on the secondary coil because the magnetic field doesn't collapse into the primary coil but is used by the secondary coil instead?

Also, does this mean that if a DC current was placed on a transformer that it would cause trouble? (i.e. very high current)

I'm sure I'm not saying this correctly, so I'm hoping someone can set me straight.

To sum up my question, what is the behavior of a transformer's primary coil (in terms of current flow) when no load is placed on the secondary coil, and what changes when a load is placed on the secondary coil?

I marginally familiar with the way that an AC transformer works. After viewing this question:

Why don't all motors burn up instantly?

It got me thinking about the same thing with AC transformers.

The primary coil should provide very little resistance and thus allow a lot of current to flow. I'm guessing that the resistance comes from the fluctuating magnetic field. Is this correct? If so, I'm assuming that the current increases when a load is placed on the secondary coil because the magnetic field doesn't collapse into the primary coil but is used by the secondary coil instead?

Also, does this mean that if a DC current was placed on a transformer that it would cause trouble? (i.e. very high current)

I'm sure I'm not saying this correctly, so I'm hoping someone can set me straight.

To sum up my question, what is the behavior of a transformer's primary coil (in terms of current flow) when no load is placed on the secondary coil, and what changes when a load is placed on the secondary coil?

I'm marginally familiar with the way that an AC transformer works. After viewing this question:

Why don't all motors burn up instantly?

It got me thinking about the same thing with AC transformers.

The primary coil should provide very little resistance and thus allow a lot of current to flow. I'm guessing that the resistance comes from the fluctuating magnetic field. Is this correct? If so, I'm assuming that the current increases when a load is placed on the secondary coil because the magnetic field doesn't collapse into the primary coil but is used by the secondary coil instead?

Also, does this mean that if a DC current was placed on a transformer that it would cause trouble? (i.e. very high current)

I'm sure I'm not saying this correctly, so I'm hoping someone can set me straight.

To sum up my question, what is the behavior of a transformer's primary coil (in terms of current flow) when no load is placed on the secondary coil, and what changes when a load is placed on the secondary coil?