ECAT Pre General Science Online Test

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  • Chapter NameCh 13 - Current Electricity
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ECAT Pre General Science Online Test

  • Total Questions30

  • Time Allowed30

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ECAT Pre General Science Online Test

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Question # 1

The most suitable material for permanent magnet is

Question # 2

Aerodynamics is a branch of:

Question # 3

The force between two chares 0.06 m apart is 5 N. If each charge is moved towards the other by 0.01 m, then the force between them will become

Question # 4

If F=0.04 N and X=4 cm then K=

Question # 5

During the nuclear changes, the law/s of conservation that hold/s are that of:

Question # 6

If the velocity time graph is a straight line parallel to time-axis, then it means that:

Question # 7

the current is pass through the straight wire. The magnetic field established around it has its lines of force:

Question # 8

The ratio of linear stress/linear strain is called as

Question # 9

One newton is a force that produces an acceleration of 0.5 m/sec2in a body of mass:

Question # 10

Which of the following does not obey ohm's law?

Question # 11

Another mean of electric potential energy per unit charge is given by:

Question # 12

We can express the work in term of

Question # 13

When an oscillatory motion repeats itself, then this type of motion is called

Question # 14

A point charge A of charge +4μC and another B of charge -1μC are placed in air at a distance 1 m apart. Then the distance of the point on the line joining the charge B, where the resultant electric field is zero, is (in m)

Question # 15

In process of annihilation of matter, the two photons produced move in opposite direction to converse

Question # 16

When the same object is viewed at a shorter distance, the image on the retina of the eye is _____ the so the object appears:

Question # 17

1 J = ________?

Question # 18

A body moves a distance of 10 m along a straight line under the action of a force of 5 N. If the work done is 25 J, the angle which force makes with the direction of motion of a body is:

Question # 19

A capacitor acts as an infinite resistance for

Question # 20

Resistance is measured in

Question # 21

The average value of current and voltage over a cycle is

Question # 22

How much force is required to slide one layer of the liquid over the other layer is measured by

Question # 23

When a transistor is used as a switch the circuit in which the current is to be switched OFF and ON, is connected between the

Question # 24

When body moves with increasing acceleration, its velocity time graph is a

Question # 25

For an atom having atomic number Z and atomic weight A, the charge on the nucleus is

Question # 26

In the formula P = N0KT, N0denotes:

Question # 27

The time period of pendulums of different lengths would be

Question # 28

The force exerted by the fluid in a hydraulic pump on the piston is 10 cm2, the fluid pressure on the piston is, in N/cm2

Question # 29

When current passes through a solenoid coil, it behaves like a

Question # 30

Root out the conventional source of energy:

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