The Figure Shows a Uniform Magnetic Field That Is Normal

question 43

Multiple Choice

The figure shows a uniform magnetic field that is normal to the plane of a conducting loop with resistance R.Which one of the following changes will cause an induced current to flow through the resistor?

• A)decreasing the area of the loop
• B)decreasing the magnitude of the magnetic field
• C)increasing the magnitude of the magnetic field
• D)rotating the loop through 90° about an axis in the plane of the paper
• E)all of the above

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Definitions:

Nasal Cavity

The section of the respiratory tract located behind the nose, involved in breathing and smelling.

Tracheostomy

A surgical procedure to create an opening in the neck leading directly to the trachea (windpipe) to enable breathing.

Tracheotomy

A surgical procedure that involves creating an opening in the neck straight into the trachea to aid breathing.

Laryngectomy

A surgical procedure to remove the larynx, often due to cancer, which may result in the loss of voice.