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The north-south polarities of an electromagnet can be found easily by using: a) Fleming’s right-hand rule b) Fleming’s left-hand rule c) Clock face rule d) Left-hand thumb rule
The north-south polarities of an electromagnet can be found easily by using: a) Fleming’s right-hand rule b) Fleming’s left-hand rule c) Clock face rule d) Left-hand thumb rule
CBSE | Class 10 | Lakhmir Singh | Magnetic Effects of Electric Current | Physics
The north-south polarities of an electromagnet can be found easily by using: a) Fleming’s right-hand rule b) Fleming’s left-hand rule c) Clock face rule d) Left-hand thumb rule

Answer:

The correct option is c) Clock face rule

Explanation:

Option c is the best choice.
This rule is more straightforward than other rules because it only requires that you glance at the coil face to determine the north and south polarities of an electromagnet.

i

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