As Shown in the Figure, a Metal Bar Is in Contact

question 349

Multiple Choice

As shown in the figure, a metal bar is in contact with a pair of metal parallel rails. A steady uniform magnetic field $B$ , perpendicular to the plane of the rails and pointing outward from the page, is present. The bar is in downward motion with velocity of magnitude $v$ . The direction of the induced current through the resistor $R$ is

• A) from \(a\) to \(b\).
• B) from \(b\) to \(a\).
• C) No current is induced.

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Definitions:

GHG Sources

Points of origin from where greenhouse gases are emitted into the atmosphere, often related to energy production, transportation, and industry.

Supply Chain

The network of all the individuals, organizations, resources, activities, and technology involved in the creation and sale of a product, from the delivery of source materials from the supplier to the manufacturer, and on to its eventual delivery to the end user.

Landfill

A site for the disposal of waste materials by burial and is the oldest form of waste treatment.

Direct Emissions

Emissions of greenhouse gases that are directly produced by a source, such as a factory or vehicle, as part of its operations.