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- 1. Multiple Choice
A fine stream of tap water is bent when a charged comb is brought near it. This observation is related to .....
Electromagnetic field
Magnetic Field
Electric Field
Battle Field
- 2. Multiple Choice
Tiny pieces of paper are attracted to a charged plastic comb. This is because .............
same charges repelled.
Diffrent charge attract to each other.
Different charges repelled.
- 3. Multiple Choice
The maximum Voltage for E.H. T power supply is around. 7000 V. E.H.T power supplly stand for ...........
Extra High Tension power supply
Extra High Torsion power supply
Extra Huge Tension power supply.
- 4. Multiple Choice
Based on the video, When semolina powder or sesame seed is placed in the electric field, it experienced ......
Magnetic Field
Electromagnetic field
Electric Field
- 5. Multiple Choice
"The region around a charged particle where any electric charge in the region will experience electric force " This sentence explain about .........
Electric field
Electromagnetic field
Magnetic Field
- 6. Multiple Choice
The electric field strength, E at a given point in an electric field is defined as the electric force acting on a unit positive charge placed at the point. E = Fq
E = electric field strength F = electric force q = quantity of electric charge. Based on the formula which below not affect the strength of electric field strength
Electric Force
Electric charge quantity
Voltage
- 7. Multiple Choice
The electric field strength, E produced by two parallel charged plates is
E = Vd
where E = electric field strength V = potential difference between two parallel plates
d = distance between two parallel plates. What is the SI Unit for E ?
Vm^-1
Nc^-1
VC^-1
- 8. Multiple Choice
Candle flame is placedd between two charged metal plate (EHT power supply). The candle flame will spread out between the two – metal plates. The spread of the flames towards – the negatively charged metal plate is greater. Explain the obseervation.
Positive ions have larger mass and size compared to negative ions. Therefore, the spread of flames towards the negatively charged metal plate is greater than towards the positively charged metal plate.
Positive ions have lower mass and size compared to negative ions. Therefore, the spread of flames towards the negatively charged metal plate is smaller than towards the positively charged metal plate.
- 9. Multiple Choice
Electric current is define as ..............
The rate of flow of charge, Q in conductor
The rate of flow of Voltage, V in conductor
The rate of flow of resistance, R in conductor
- 10. Multiple Choice
Define potential difference
the work done, W in moving one coulomb of charge, Q from one point to another.
the work done, W in moving one CURRENT of charge, Q from one point to another.
the work done, W in moving one VOLTAGE of charge, V from one point to another.
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