The magnetic field of given length of wire for single turn coil at its center is 
then its value for two turns coil for the same wire is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
The magnetic field 
produced at the centre of a circular coil due to current I flowing through this is given by 
is number ofturns and 
is radius ofthe coil. Here 
(same length). 
Magnetic field at the centre for two turns 
is given by
Prepare Smarter with CGP Edu
Get practice questions, solutions, and test series in one place.
Write a Review
Share your experience with this question and solution.
Commentary
Send your comment, doubt, correction, or feedback to admin.
Similar Questions
Explore conceptually related problems
A cylindrical conductor of radius R is carrying a constant current. The plot of the magnitude of th…
Ionized hydrogen atoms and ‐particles with same momenta enters perpendicular to a constant magneti…
Two to roads 1 and 2 have total number of turns 200 and 100 respectively with average radii 40 cm a…
A straight conductor carrying current splits into two parts as shown in the figure. The radius of …
Current sensitivity of a moving coil galvanometer is 5 and its voltage sensitivity (angular deflec…
An arrangement of three parallel straight wires placed perpendicular to plane of paper carrying sam…