Physics - General Knowledge Questions and Answers

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

When number of turns in a coil is trippled, without any change in the length of coil, its self inductance becomes?

Nine times

Three times

Six times

One–third

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

Fleming's right hand rule is used to find the direction of the

Alternate current

Direct current

Induced current

Actual current

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

A current carrying conductor is associated with

A magnetic field

An electric field

An electro-magnetic field

An electrostatic field

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

In order to make an electromagnet you need a

Dry cell batteries

Thin coated copper wire

Iron nail

All of the above

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

Which of the following is not a part of a CRT ?

Phosphor screen

Shadow mask

Electron gun

Gas plasma

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

Slip rings are usually made of

Aluminium

Copper

Phosphor Bronze

Carbon

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

The safest hammers are those with heads that are

Cast steel and chiseled

Alloy and drop-forged steel

Welded and alloyed

Chiseled and drop forged

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

The function of ball bearings in a wheel is :

To increase friction

To convert kinetic friction into rolling friction

To convert static friction into kinetic friction

Just for convenience

Whatsapp
Facebook
Copy
Copy Text
Copy
Copy URL
Share as Image
As Image

Gear finishing operation is called

Burnishing

Hobbing

Shaping

Milling