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Chapter 15 - Electromagnetic Induction - 1
1.
__________ discovered that electric current produce magnetic field.
a) Gray Field
b) Coblet
c) Oersted
2.
EMF is set up in a conductor when it moves across ____________.
a) Another Conductor
b) A Electric field
c) A Magnetic field
3.
If the loop is dragged across magnetic field, ___________ flows through the loop.
a) Current
b) PD
c) Voltage
4.
The induced current depends upon the ___________ of the conductor.
a) Length
b) Thickness
c) Speed
5.
The induced emf leads to induced current when circuit is _______.
a) Closed
b) Open
c) Not connected
6.
When a conductor is placed in magnetic field it experiences a force equal to __________.
a) F=q (V/B)
b) F=q (VxB)
c) F=q / (VxB)
7.
In motional emf the direction of electric intensity is that of _________.
a) Power
b) Force
c) Energy
8.
The magnitude of motional emf is _______________.
a) VBL
b) LBT
c) TBL
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