State the rule to determine the direction of a (i) magnetic field produced around a straight conductor-carrying current, (ii) force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it, and (iii) current induced in a coil due to its rotation in a magnetic field.
Answers
The rule to determine the direction of a :
(i) The Right hand thumb rule will determine the direction of a magnetic field produced around a straight conductor-carrying current.
Right hand thumb rule:
When we hold the current carrying conductor in our right hand in such a way that our thumb points towards the direction of electric current, the direction of turn of our fingers indicates the direction of magnetic field.
(ii) Fleming's left hand rule will determine the direction of the force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it.
Fleming's left hand rule :
stretch the thumb, fore finger and middle finger of your left hand such that they are mutually perpendicular to each other. If the first finger points in the direction of magnetic field and second finger points towards the direction of current then the thumb points to the direction of force or towards the motion.
(iii) Fleming's right hand rule will determine the direction of current induced in a coil due to its rotation in a magnetic field.
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दो वृत्ताकार कुंडली A तथा B एक-दूसरे के निकट स्थित हैं। यदि कुंडली A में विद्युत धारा में कोई परिवर्तन करें तो क्या कुंडली B में कोई विद्युत धारा प्रेरित होगी? कारण लिखिए।
https://brainly.in/question/7933694
कोई विद्युतरोधी ताँबे के तार की कुंडली किसी गैल्वेनोमीटर से संयोजित है। क्या होगा यदि कोई छड़ चुंबक-
(i) कुंडली में धकेला जाता है।
(ii) कुंडली के भीतर से बाहर खींचा जाता है।
(iii) कुंडली के भीतर स्थिर रखा जाता है।
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Explanation:
Fleming's Left-Hand rule gives the direction of force experienced by a current-carrying straight conductor placed in a magnetic field which is perpendicular to it. Fleming's Right-Hand rule gives the direction of current induced in a coil due to its rotation in a magnetic field.