Moving Charges And Magnetism — Physics

Test your limits with our Elite Pro-Vault Questions for physics

Question 1
EasyJEE

The magnetic field at the centre of acircularloopofradiusRcarryingcurrentIa circular loop of radius R carrying current I is:

A. μ0I/(2R)μ₀I/(2R)
B. μ0I/(2πR)μ₀I/(2πR)
C. μ0I/(4πR)μ₀I/(4πR)
D. μ0I/Rμ₀I/R
Question 2
EasyJEE

The force on a charge q moving with velocity v in a magnetic field B is:

A. q(v×B)
B. q(v·B)
C. q(v+B)q(v+B)
D. q(v/B)q(v/B)
Question 3
EasyJEE

The unit of magneticfieldmagnetic field is:

A. Tesla
B. Weber
C. Henry
D. Farad

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