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The SI unit of constant k in Coulomb's law is:

NETNUST Entry TestPhysicsElectrostatics

If the distance between two charges is doubled, the force between them will become:

NETNUST Entry TestPhysicsElectrostatics

A transistor cannot be used as

NETNUST Entry TestPhysicsElectronics

A.C is converted to D.C by

NETNUST Entry TestPhysicsElectronics

When transistor is forward biased then resistance will be

NETNUST Entry TestPhysicsElectronics

At least how many diodes are required to covert A.C fully into D.C?

NETNUST Entry TestPhysicsElectronics

To make an LED, it is impracticable to use:

NETNUST Entry TestPhysicsElectronics

A single silicon photo voltaic cell produces respectively a voltage and current of:

NETNUST Entry TestPhysicsElectronics

Photo voltaic cell:

NETNUST Entry TestPhysicsElectronics

The current produced is directly proportional to intensity of light falling on the p-n junction of:

NETNUST Entry TestPhysicsElectronics

Photodiode is operated:

NETNUST Entry TestPhysicsElectronics

The number of LED's needed to display all the digits is:

NETNUST Entry TestPhysicsElectronics

The reverse current increases with the intensity of light incident on the p-n junction of:

NETNUST Entry TestPhysicsElectronics

A diode which can turn its current ON and OFF in nano seconds is called:

NETNUST Entry TestPhysicsElectronics

The diode used for the fast detection of light is:

NETNUST Entry TestPhysicsElectronics

An LED can be made from:

NETNUST Entry TestPhysicsElectronics

A photodiode can be used:

NETNUST Entry TestPhysicsElectronics

The most commonly used diode for special purpose is:

NETNUST Entry TestPhysicsElectronics

The semiconductor diode has the property of:

NETNUST Entry TestPhysicsElectronics

The full wave rectifier circuit consists of:

NETNUST Entry TestPhysicsElectronics

During the negative half cycle of the input alternating voltage, the diode is:

NETNUST Entry TestPhysicsElectronics

Conversion of A.C into D.C is called:

NETNUST Entry TestPhysicsElectronics

In the symbol of p-n junction, the vertical line represents:

NETNUST Entry TestPhysicsElectronics

Leakage current is:

NETNUST Entry TestPhysicsElectronics

In reverse biased situation, the resistance offered by the p-n junction is the order of:

NETNUST Entry TestPhysicsElectronics