Metals contain large number of:

Value of ‘k’ depends upon:

Which of the following is an analogue device?

A switch has only possible states.

Analogue quantities are;

Which is an analogue· circuit which amplifies the signals without chaninging its shape to such an extent that it can operatre a loudspeaker?

Electronics which provides the data in the form of maximum and minimum voltage signals:

Give the number of factors which affect the ability of a capacitor to store charge.

The branch of applied physics which deals with the behaviour of electrons using different devices for various useful purposes Is

The amount of current that can be painful is:

SI unit of electric intensity is:

The process by which electrons are emitted by a hot metal surface is known as:

Each volt of lightening contains energy:

The output of a two input NOR gate is 1 when:

Circuits which- convert the digital signal into analogue signals:

Electron gun Is used to investigate ate the properties of;

If the potential energy of none coulomb charge is one joule then its potential will be:

1 Pico farad is equal to:

The process of emission of electrons from the hot metal surface Is called;

The quantities whose value vary in non -continuous manner are called;

Which of the following are digital devices?

Who observed the deflection of cathode rays by both electric and; magnetic fields?

If Current flowing through switch then the output is expressed as:

Those quantities whose value vary continuously or remain constant:

The converter of analogue to digital signal is: