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Worksheets

Essentials 2.0

Total questions: 12

Worksheet time: 3mins

Name
Class
Date
1.

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

a)

Decreases Resistance

b)

Increases Current.

c)

Decreases Current

d)

Increases Resistance

2.

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

a)

R1 + R2 + R3

b)

R1 - R2- R3

c)

1/R1 + 1/R2 + 1/R3

d)

R1=R2=R3

3.

The inductors stores...

a)

Electrostatic Energy

b)

Magnetic Energy

c)

Potential Energy

d)

Heat Energy

4.

In LED, light is emitted because....

a)

Light falls on LED.

b)

Recombination of charges take place.

c)

PN Junction emits light when heated.

d)

IR light falls on LED

5.

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

a)

Null

b)

0

c)

2

d)

1

6.

Diode is categorize as...

a)

Passive Components.

b)

Active Components.

c)

Conductor

d)

Insulator

7.

Breakdown of a PN Diode may occur due to__

a)

Thermal instability

b)

Tunneling Effect

c)

Avalanche Multiplication

d)

All of the above

8.

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

a)

Forward bias voltage increases

b)

Reverse bias voltage increases

c)

Forward bias voltage reduces

d)

Reverse bias voltage reduces

9.

How many digital pins do Arduino have__

a)

10

b)

14

c)

9

d)

13

10.

How many Analog pins do an Arduino have__

a)

2

b)

6

c)

5

d)

8

11.

What is the Microcontroller used in Arduino UNO?

a)

ATmega328p

b)

ATmega2560

c)

ATmega32114

d)

AT91SAM3x8E

12.

What is an Arduino UNO?

a)

Microcontroller

b)

Microprocessor

c)

Both

d)

Neither of them