AB is a resistanceless conducting rod which forms a diameter of a conducting ring of radius r rotating in a uniform magnetic field B as shown in figure. The resistors R1 and R do not rotate. Then the current X through the resistor R1 is
see full answer
Your Exam Success, Personally Taken Care Of
1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya
a
Bωr22R1
b
Bωr22R2
c
Bωr22R1R2R1+R2
d
Bωr22R2+R2
answer is A.
(Unlock A.I Detailed Solution for FREE)
Best Courses for You
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
Detailed Solution
The equivalent diagram isThe induced emf across the centre and any point on the circumference ise⇀=12Bωl2=Bωr22Current through R1=Bωr22R1
AB is a resistanceless conducting rod which forms a diameter of a conducting ring of radius r rotating in a uniform magnetic field B as shown in figure. The resistors R1 and R do not rotate. Then the current X through the resistor R1 is