A circuit consists of a lightbulb connected to two conductingrails and a conduct

Question

A circuit consists of a lightbulb connected to two conductingrails and a conducting movable bar. An external magneticfield is directed perpendicular to the plane of the circuit. During which of the following actions will the bulb not lightup? a. the bar is moved to the left b. the bar is moved to the right c. the magnitude of the magnetic field increases withtime d. the magnitude of the magnetic field decreases withtime e. the magnetic field remains constant in time A circuit consists of a lightbulb connected to two conductingrails and a conducting movable bar. An external magneticfield is directed perpendicular to the plane of the circuit. During which of the following actions will the bulb not lightup? a. the bar is moved to the left b. the bar is moved to the right c. the magnitude of the magnetic field increases withtime d. the magnitude of the magnetic field decreases withtime e. the magnetic field remains constant in time

Explanation / Answer

 the magnetic field remains constant in time

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