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Physics 10 Chapter 15 - Electromagnetism - 1
1.
Whatiistthesstudyoofmmagneticeeffectsoofccurrentccalled?
a) Current electricity
b) Electromagnetism
c) Electronics
d) Magnetism
2.
What is produced by generators due to the movement of wires near very large magnets?
a) Pressure
b) Electric current
c) Direct current
d) Magnetic field
3.
Who discovered that when a current passes through a conductor, it produces magnetic field around it?
a) Ohm
b) Pascal
c) Ampere
d) Joule
4.
Which statement is true about the magnetic poles?
a) Unlike poles repel
b) Like poles attract
c) Magnetic poles do not effect each other
d) A single magnetic pole does not exist
5.
Weak ionic current in our body travels along the..................?
a) Nerve
b) Stomach
c) Neuron
d) Liver
6.
The presence of a magnetic field can be detected by a.......................?
a) Stationary positive charge
b) Stationary negative charge
c) Small mass
d) Magnetic compass
7.
What is the technique called that produces images of different parts of body due to ionic current that travels along the nerve?
a) SONAR ranging
b) MRF
c) Magnetic Resonance Imaging
d) Ultrasonic imaging
8.
What are the two main organs where significant magnetic fields can be produced?
a) Heart and liver
b) Liver and brain
c) Heart and brain
d) Liver and stomach
9.
What is the direction of the magnetic field lines inside a bar magnet?
a) From north pole to south pole
b) From south pole to north pole
c) From side to side
d) There are no magnetic field lines
10.
How many are the organs where significant magnetic fields can be produced?
a) Five
b) Two
c) Three
d) Four
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