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ANEK [815]
3 years ago
15

Which of the following statements is true about a current-carrying wire in a magnetic field? A. Reversing the current direction

will cause the force deflecting the wire to be parallel to the magnetic field. . . B. Reversing the current direction will cause the force deflecting the wire to be perpendicular to the magnetic field but in the opposite direction. . . C. Reversing the current direction will not affect the force deflecting the wire. .
Physics
1 answer:
Zielflug [23.3K]3 years ago
6 0
B. Reversing the current direction will cause the force deflecting the wire to be perpendicular to the magnetic field but in the opposite direction.
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Answer:

The correct answer should be

A. 20 Joules

Explanation:

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2 years ago
If the resistance of a circuit increases, that means that the current has to
Gnoma [55]

Answer:

If resistance increases current decreases.

Explanation:

  • Current is <em>inversely proportional</em> to the resistance.
  • from the relation given below, we can clearly see the relation between current and resistance;

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2 years ago
which option below best explains why the second law of thermodynamics is not violated when heat flies from a cold freezer and in
Rainbow [258]

Explanation:

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8 0
3 years ago
Are acceleration and mass proportional or inversely proportional values?
finlep [7]

Answer:

acceleration and mass are inversely proportional values

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6 0
3 years ago
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The circuit below contains an ideal battery, four identical light bulbs, and a switch. The switch is initially open.
Dafna1 [17]

The question is incomplete! circuit figure is attached below and answer and explanation is provided below.

Answer:

Bulb_A = Bulb_B = Bulb_D and Bulb_C = 0.

Explanation:

What happens when switch is open?

When the switch is open Bulb_C is open circuited meaning that there is no way for the current to flow through it. This path offers infinite resistance to the current therefore, current will try to take a least resistance path that is through Bulb_B.

So eventually, when the switch is open the circuit becomes a simple series circuit with path From battery to Bulb_A to Bulb_B to Bulb_D to battery with Bulb_C = 0.

What happens in a series circuit?

We know that in a series circuit, there is only one path for the current to flow therefore, same current will flow through all the series Bulbs and their brightness will be same. Bulb_A = Bulb_B = Bulb_D

Brightness in a series circuit:

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5 0
2 years ago
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