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Chapter 14 - Electromagnetism - 1
1.
Electric current generates ____________ field.
a) Electric
b) invisible
c) Magnetic
2.
A current carrying conductor placed in external magnetic field experiences ________force.
a) Attracting
b) Pushing
c) Magnetic
d) Electric
3.
The unit of magnetic flux is called__________.
a) Webster
b) Ampere
c) Weber
4.
Magnetic induction is the flux per unit__________ of the surface perpendicular to B.
a) Area
b) Square
c) Strength
5.
Current carrying solenoid behaves like ____________.
a) A bar magnet
b) An electrict Magnet
c) Magnet
6.
The work done on a charged particle by magnetic force is____________.
a) Minimum
b) Maximum
c) Zero
7.
The vector sum of electric and magnetic force on a charged particle is known as__________ force.
a) Lorentz
b) Rupulsive
c) Attrectracting
8.
In e/m experiment, the circular path of the electron become visible when moving electrons___________ with atoms of the gas.
a) Pass
b) Flow
c) Collide
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