Electromagnetic Waves Test

Result

Electromagnetic Waves Test - 3

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Question 1
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There exist a rule to determine the direction of the magnetic field due to a long wire. It is known as,

A
Ampere's Right hand’s rule

B
Ampere's Left hand’s rule

C
Thumb screw rule.

D
Fleming’s left hand rule.

Solution

The Ampere's right-hand rule is used to determine the direction of the magnetic field due to a long wire.

The rule states that,

When you grasp the wire in your right hand with your extended thumb pointing in the direction of the current. Your fingers will curl around in the direction of the magnetic field.