Essentials 2.0

According to Ohm's law, increasing the voltage ____.

• Decreases Resistance

• Increases Current.

• Decreases Current

• Increases Resistance

How to you calculate the total resistance in a series circuit?

• R1 + R2 + R3

• R1 - R2- R3

• 1/R1 + 1/R2 + 1/R3

• R1=R2=R3

The inductors stores...

• Electrostatic Energy

• Magnetic Energy

• Potential Energy

• Heat Energy

In LED, light is emitted because....

• Light falls on LED.

• Recombination of charges take place.

• PN Junction emits light when heated.

• IR light falls on LED

For an ideal diode, the ideality factor is....

• Null

• 0

• 2

• 1

Diode is categorize as...

• Passive Components.

• Active Components.

• Conductor

• Insulator

Breakdown of a PN Diode may occur due to__

• Thermal instability

• Tunneling Effect

• Avalanche Multiplication

• All of the above

For a PN Junction Diode, width of space charge region increases as...

• Forward bias voltage increases

• Reverse bias voltage increases

• Forward bias voltage reduces

• Reverse bias voltage reduces

How many digital pins do Arduino have__

• 10

• 14

• 9

• 13

How many Analog pins do an Arduino have__

• 2

• 6

• 5

• 8