Opening and closing of the valves in relation to the position of piston and flywheel is called ?

The power available at the engine's flywheel is called :

The ratio of work output of an engine to the fuel energy burnt is called ?

Snips are used for ?

A round rod which does not have a head, and has external threads at both ends is called

Which of the following is not a precision measuring instrument?

The cross-sectional shape of an allen key is :

Which file has minimum space between their teeth?

Which of the following is used for securing a tightened nut in position?

Which of the following should not be done by a good mechanic?

Current is inversely proportional to:

What is the formula for calculating current?

Rheostat is the other name of:

The relation between potential difference (V) and current (I) was discovered by :

In parallel combination of electrical appliances, total electrical power

The relation between H ;I is called

Which one is not a good conductor of electricity?

In which natural phenomenon is static electricity involved?

The temperature at which mercury shows superconductivity

Lightning conductor was invented by

Unit of electric current

The electrical appliances of our houses are connected via ---------------------------------------- circuit

The fuse in our domestic electric circuit melts when there is a high rise in

Dynamo was invented by

The scientific principle behind the working of a transformer

Color of earth wire in domestic circuits

Electric power transmission was developed by

The reciprocal of Impedance

Electromagnetism was discovered by

ഊഞ്ഞാലിന്റെ ചലനം ഏതിന് ഉദാഹരണമാണ് ?

In electric heating appliances, the material of heating element is

The resistance of a conductor is directly proportional to :

If the electrical resistance of a typical substance suddenly drops to zero, then the substance is called

In India, distribution of electricity for domestic purpose is done in the form of

Which of the following units is used to measure the electric potential difference?

Which of the following devices is used to measure the flow of electric current?

Which of the following devices can store electric charge in them?

Who invented the first chemical battery?

Which of the following devices convert AC into DC?

Which of the following is an example of static electricity?

Substances through which electricity cannot flow are called:

What is the SI unit of electric charge?

Which is the best conductor of electricity?

An instrument which detects electric current is known as

With rise in temperature the resistance of pure metals

The resistance of a conductor varies inversely as

Conductance is reciprocal of

The substances which have many free electrons and offer a low resistance are called

What is the property of a conductor to resist the flow of charges known as?

Which of the following metals is mostly used for filaments of electric bulbs?