Electronics

I am a transducer and i react to environmental conditions and i can change the electric properties.Who am i?

I'm the one of class of electronic devices and i generate electronic signals with set properties of amplitude and frequency.

I'm cylindrical ,flexible strand and i used to connect variable components.Who am i?

To allow power conversion, we can arrange all power switches in the converter freely.

• True

• False

A regulator is used to

• convert unregulated dc supply into constant dc supply

• convert unregulated ac supply into constant dc supply

• convert unregulated ac supply into regulated ac supply

Name the Sensor (See all the parts description to better understand)

• IR sensor

• Rain Sensor

• Ultra Sensor

• Ultrasonic Sensor

Which image shows the output of a sine-wave after it has gone through a diode? (Half-wave rectified)

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Which is not one of the properties of semiconductor?

• 4 electrons in outermost orbit, in covalent bonding.

• atoms vibrate causes electron to break free from the bonds.

• Electron free leaves hole.

• Semiconductor has 2 types of charge carriers.

• all of the above are the properties of it

Zener diode is a:

• Lightly doped p-n diode

• Heavily doped p-n diode

• Normally doped p-n diode

• None of the above

An n type semiconductor is obtained by doping an intrinsic semiconductor with a

• Pentavalent impurity

• Trivalent impurity