Which type of light waves/rays used in remote control and night vision camera ?

Speed of sound is higher in which of the following mediums?

The frequency of ultrasound wave is typically ---?

ദൂരത്തിൻ്റെ ഏറ്റവും കൂടിയ പ്രായോഗിക യൂണിറ്റ് താഴെപ്പറയുന്നവയിൽ ഏതാണ് ?

In an automobile, the solenoid which is a part of :

The least count of universal vernier caliper is

The quantity of scale on the dial of the Multimeter at the top most is :

The most suitable motor for electric traction is :

The process of adding impurities to a semiconductor is known as:

Which part of the PMMC instrument produce eddy current damping?

What is the working principle of a two winding transformer?

A permanent magnet moving coil instrument will read :

Force x Distance =

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?