Force and direction (Current carrying conductor) — task. Science State Board, Class 9.

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Read the question carefully and pick the best option:

1. Which of the following statement is not correct about two parallel conductors carrying equal currents in the same direction?

Each of the conductors will experience a force.
The two conductors will repel each other.
There are concentric lines of force around each conductor.
Each of the conductors will move if not prevented from doing so.

2. The instrument can be shielded from outside magnetic effects by surrounding them with__________.

iron shield
rubber shield
glass shield
brass shield

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