In which year did Hans Christian Oersted discover that a compass needle gets deflected when an electric current passes through a metallic wire placed nearby ?

[SSC CHSL 2024]

Unit of frequency is_______.

[SSC CHSL 2023]

The potential difference, V, across the ends of a given metallic wire in an electric circuit is directly proportional to the current flowing through it, provided its temperature remains the same. This is called _____ law.

[SSC CHSL 2022]

The unit of ‘magnetic flux’ is:

[RRB NTPC CBT]

In 1851, who discovered the phenomenon of Eddy currents which flow in closed loops within conductors in planes perpendicular to the magnetic field?

[SSC CHSL 2023]

Who was famous for publishing a formula in 1827 that shows the mathematical relationship between current, resistance and voltage?

[RRB NTPC CBT]

In 1851, who discovered the phenomenon of Eddy currents which flow in closed loops within conductors in planes perpendicular to the magnetic field?

[RRB NTPC CBT]

Who was famous for publishing a formula in 1827 that shows the mathematical relationship between current, resistance and voltage ?

[SSC MTS 2023]

An electric iron requires a ________ fuse to prevent short circuiting.

[SSC CGL 2024]

In 1830, which American scientist created the world's most powerful electromagnet, the Albany magnet, which could lift up to 750 pounds of metal at a time?

[SSC CHSL 2023]

In 1834, who proposed a law that states that the current induced by a change in flow opposes the effect producing the change ?

[SSC CHSL 2023]

Who among the following discovered that a wire carrying electric current can attract or repel another wire next to it that's also carrying electric current ?

[SSC CHSL 2024]

Who among the following noticed the deflection of the compass needle every time current was passed through the wire?

[RRB NTPC CBT]

In 1834, who proposed a law that states that the current induced by a change in flow opposes the effect producing the change ?

[RRB NTPC CBT]

The rating for a fuse used in a household electric circuit is provided on the basis of:

[SSC CGL 2019]

___________ are promoted throughout the country to save energy.

[SSC MTS 2023]

Which physicist's experiment during a lecture in 1820 showed the connection between electricity and magnetism ?

[RRB NTPC CBT]

Which physicist's experiment during a lecture in 1820 showed the connection between electricity and magnetism ?

[SSC MTS 2023]

Which of the following statement/statements is/are true regarding the light year?
1.Light year is a unit of distance.
2.Light is a unit of time.
3.A light year is the distance that light travels in one Earth year.
4.Light year is the measurement of light intensity.

[SSC CPO 2024]

What is the power of ‘second’ in the SI unit of acceleration?

[SSC CGL 2021]

Ice floats on water because its density is:

[RRB NTPC CBT]

Tensile or compressive stress can also be termed as _______.

[RRB NTPC CBT]

What is the SI unit of G- the universal gravitation constant?

[RRB NTPC CBT]

Among the following, the weakest force is :

[RRB NTPC CBT]

Distance covered by the object is _______to time.

[SSC CGL 2022]

______ in a particular direction is velocity.

[SSC CGL 2022]

Kerosene oil rises up in a wick of lantern because of:

[RRB NTPC CBT]

Which of the following has unit m/s2?

[SSC CGL 2022]

The given equation describes the _________ relation. s = u t +1/2 a t2

[RRB NTPC CBT]

What is the metric unit of pressure that is equal to 0.986923 atm?

[RRB NTPC CBT]

Which type of friction is considered as a self-adjusting force?

[SSC MTS 2022]

Whose research was fundamental in establishing the modern discipline known as surface tension, Which describes the properties of liquid and solid surfaces and interfaces?

[SSC CGL 2023]

12. The rate of doing work is called:

[SSC CGL 2021]

The forces exerted on a body during a short period are known as:

[SSC MTS 2023]

Which of the following is the SI unit of velocity ?

[SSC GD 2024]

The SI unit of acceleration is ________.

[SSC CGL 2022]

Which of the following is NOT a unit of energy?

[SSC CGL 2024]

What is the basic unit of time ?

[SSC GD 2024]

Which of the following is a unit of acceleration?

[NTPC CBT 2]

1 kilowatt is equivalent to:

[RRB NTPC CBT]

Which is the least frictional force of the following?

[RRB NTPC CBT]

Fill in the blank with the most appropriate option.
The Universal Constant of Gravitation is ______.

[RRB NTPC CBT]

The force of attraction between all masses in the universe, especially the attraction of the earth's mass for bodies near its surface is called-

[RRB NTPC CBT]

Which of the following is NOT a non-contact force?

[SSC CHSL 2022]

1 horsepower = approximately ____watts.

[SSC CGL 2019]

Which of the following is NOT a SI unit?

[NTPC CBT 2]

The SI unit of speed is …..

[SSC CGL 2022]

' Tor ' is a unit of _____.

[SSC CGL 2019]

The SI unit of length is_____.

[NTPC CBT 2]

Which of the following is the physical quantity for the expression arc/radius?

[SSC CGL 2021]