Fleming's Right-hand rule gives
Fleming's Right-hand rule gives
Options
The correct option is C.
Marking Scheme
- 11 Mark for selecting the correct option (C).
Hint
Recall which rule is used for electric generators to find the direction of the current generated when a coil rotates in a magnetic field.
Quick Oral Answer
Fleming's Right-hand rule gives the direction of the induced current in a conductor moving inside a magnetic field.
Analysis & Explanation
Fleming's Right-hand rule is used to determine the direction of the induced current when a conductor moves in a magnetic field. According to this rule, if we stretch the thumb, forefinger, and middle finger of our right hand mutually perpendicular to each other such that the thumb points in the direction of motion of the conductor and the forefinger points in the direction of the magnetic field, then the middle finger points in the direction of the induced current. It only gives the direction of the induced current, not its magnitude, nor does it measure the magnetic field strength. Therefore, option C is correct, and options A, B, and D are incorrect.
Common Mistakes
- 1Confusing Fleming's Right-hand rule (used for induced current in generators) with Fleming's Left-hand rule (used for force on a current-carrying conductor in motors).
Interesting Facts
Fleming's Right-hand rule is also known as the generator rule, while Fleming's Left-hand rule is known as the motor rule.
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Frequently Asked Questions
How many marks does this question carry in CBSE Class 10 Science 2020?
This question carries 1 mark in the CBSE Class 10 Science 2020 examination.
Which chapter does this question come from in Science?
This question is from the chapter "Magnetic Effects of Electric Current" in the CBSE Class 10 Science syllabus.
What topic does this question cover in Science?
This question covers the topic "Electromagnetic Induction" from CBSE Class 10 Science.
What type of question is this in the CBSE Class 10 Science 2020 paper?
This is a MCQ question from Section A in the CBSE Class 10 Science 2020 paper.