motion.
Q3. Where are poles of a bar magnet located?
A what is purpose of using an electric switch Name
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Answer:Magnetic pole, region at each end of a magnet where the external magnetic field is strongest. A bar magnet suspended in Earth's magnetic field orients itself in a north–south direction. The north-seeking pole of such a magnet, or any similar pole, is called a north magnetic pole.
Answer 2 The purpose of an electric switch is to control the state of an electric circuit between on and off. The switch can be located away from the gadget or on the gadget itself. A switch simply completes or breaks an electric circuit. Current flows through the circuit when the switch is On state and vice versa.
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