رقيه احمد الشاذلي
نتيجة الإختبار - G7 U2 GE
اسم الطالب : رقيه احمد الشاذلي
المدينة : كفر الشيخ
Tuesday , 26 November 2024 - 11:09 PM15 من 15
السؤال - 1
The south pole of a compass needle points ..............
The geographical east pole of the earth.
The geographical north pole of the earth.
The geographical west pole of the earth.
The geographical south pole of the earth.
إجابة صحيحة
السؤال - 2
When a wooden ruler is rubbed with a piece of cotton, an electric force is generated between them. What is the type of charge formed on the ruler, and what type of electric force exists between them?
Positive / Repulsion.
Positive / Attraction.
Negative / Repulsion.
Negative / Attraction.
إجابة صحيحة
السؤال - 3
All the following are electrical nonconducting materials, except…...
wood.
carbon.
ebonite.
silk.
إجابة صحيحة
السؤال - 4
All the following materials precede cotton in the electrostatic series, except….
silk.
glass.
ebonite.
wool
إجابة صحيحة
السؤال - 5
Which of the following expresses what happens to the two leaves of a negatively charged electroscope when a piece of synthetic leather rubbed with wool is brought close to its disc?
The leaves return applicable.
The leaves divergence increases.
The leaves divergence decreases.
The leaves divergence is not affected.
إجابة صحيحة
السؤال - 6
All the following metals are attracted to a magnet, except…..
iron.
nickel.
cobalt.
aluminum.
إجابة صحيحة
السؤال - 7
All the following describe both electric and magnetic field lines, except that they are…..
imaginary.
flexible.
do not intersect.
crowd at the poles.
إجابة صحيحة
السؤال - 8
When a magnet is brought close to a piece of cobalt,........
an attractive force arises between them.
a repulsive force arises between them.
both an attractive and a repulsive forces arise between them.
no force arises between them.
إجابة صحيحة
السؤال - 9
All the following are industrial magnets, except……
lodestone.
horse shoe magnet.
bar magnet.
magnetic needle.
إجابة صحيحة
السؤال - 10
When a magnet is brought close to a mixture containing the filings of each of silver, copper, iron, aluminum and cobalt, the materials that are attracted to the magnet are......
iron only.
silver and copper only.
iron and cobalt only.
aluminum and silver only.
إجابة صحيحة
السؤال - 11
What is the force that causes a ball to fall from a high position to Earth's surface?
Gravity
Magnetism
Friction
Collision
إجابة صحيحة
السؤال - 12
Which of the following forces are field forces?
Magnetic and electrostatic forces.
Elasticity and collision forces.
Gravitational and friction forces.
Magnetic and elasticity forces.
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السؤال - 13
The force that attracts all objects downward towards the Earth's center is a (an)....... force.
contact
field
electrostatic
magnetic
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السؤال - 14
The phenomenon of tides occurs……daily.
once
twice
three times
four times
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السؤال - 15
An object weighs 320 N at the surface of a planet and weighs 800 N at Earth's surface. What is the gravitational field intensity of this planet? (knowing that the Earth's gravitational field intensity = 10 N/kg)
4 N/kg
10 N/kg
32 N/kg
480 N/kg
إجابة صحيحة