Mashaal Masha
Mashaal Masha
 Oct 15, 2022
0
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Choose the correct options for the following questions.
If the distance between two charges is doubled, the force between them will become:
Difficulty: Easy
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A:
Double
B:
Half
C:
Three times
D:
One fourth
The SI unit of constant k in Coulomb's law is:
Difficulty: Easy
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A:
$Nm^{2} C^{-2}$
B:
$C^{2} Nm^{-1} m^{-2}$
C:
$C^{2} N^{-2} m^{-2}$
D:
$Nm^{-2} C^{2}$
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Two charges are located respectively at positions $r_{1}=0.3 j$ and $r_{2}=4 i$ w.r.t certain reference point. The distance between the charges is:
Difficulty: Easy
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A:
0
B:
4i+3j
C:
4i-3j
D:
12k
Origin of the electric and the gravitational forces:
Difficulty: Easy
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A:
Was in 1911 A.D
B:
Was in 1811 A.D
C:
Was in 1711 A.D
D:
Is still unknown
The concept of electric field theory was introduced by:
Difficulty: Easy
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A:
Michael Faraday
B:
Newton
C:
Dalton
D:
Kepler
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Micheal Faraday is known by his work on:
Difficulty: Easy
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A:
Nuclear strong force
B:
Gravitational force
C:
Nuclear weak force
D:
Electric force
There are two charges of $1\mu C$ and $5\mu C$ placed at certain distance. The ratio of the forces acting on each other will be:
Difficulty: Easy
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A:
1:5
B:
1:1
C:
5:1
D:
1:25
Electric field strength is defined as:
Difficulty: Easy
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A:
Work done on unit charge
B:
Force exerted on unit charge
C:
Distance covered by unit charge
D:
Power exerted by unit charge
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Electric intensity at a place due to a charged conductor is a:
Difficulty: Easy
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A:
Scalar quantity
B:
Vector quantity
C:
Semi-vector and semi-scalar
D:
Dimensionless quantity
The intensity at a point due to a charge is inversely proportional to:
Difficulty: Easy
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A:
Amount of charge
B:
Size of the charge
C:
Distance between and the point
D:
Square of the distance from the charge

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