Multiple Choice
Find the magnetic field that produces a maximum torque of 3.14 Nm on a coil of wire with 22 loops a length of 30 cm and a width of 20 cm.The coil has a resistance of 50 ohms and is connected to a 120-V battery.
A) 0.020 T
B) 0.048 T
C) 0.99 T
D) 5.7 T
E) 22 T
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q2: An electron is traveling horizontally from E
Q3: In a copper wire,electrons move to the
Q4: A straight wire of length 5.0
Q5: A straight section of a current-bearing wire
Q6: Initially at rest,a small copper sphere with
Q8: An electron with a speed of
Q9: Carbon-12 and Carbon-14 atoms,(12 and 14 atomic
Q10: A 20-cm long conducting wire of 5-g
Q11: A cyclotron with a magnetic field of
Q12: A positively charged rod is brought close